examples/VFS/skel_opaque.c

   1 /*
   2  * Skeleton VFS module.  Implements dummy versions of all VFS
   3  * functions.
   4  *
   5  * Copyright (C) Tim Potter, 1999-2000
   6  * Copyright (C) Alexander Bokovoy, 2002
   7  * Copyright (C) Stefan (metze) Metzmacher, 2003
   8  * Copyright (C) Jeremy Allison 2009
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 3 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  22  */
  23
  24 #include "../source3/include/includes.h"
  25 #include "lib/util/tevent_ntstatus.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  * you must re-implement every function.
  33  */
  34
  35 static int skel_connect(vfs_handle_struct *handle, const char *service,
  36                         const char *user)
  37 {
  38         errno = ENOSYS;
  39         return -1;
  40 }
  41
  42 static void skel_disconnect(vfs_handle_struct *handle)
  43 {
  44         ;
  45 }
  46
  47 static uint64_t skel_disk_free(vfs_handle_struct *handle,
  48                                 const struct smb_filename *smb_fname,
  49                                 uint64_t *bsize,
  50                                 uint64_t *dfree,
  51                                 uint64_t *dsize)
  52 {
  53         *bsize = 0;
  54         *dfree = 0;
  55         *dsize = 0;
  56         return 0;
  57 }
  58
  59 static int skel_get_quota(vfs_handle_struct *handle,
  60                                 const struct smb_filename *smb_fname,
  61                                 enum SMB_QUOTA_TYPE qtype,
  62                                 unid_t id,
  63                                 SMB_DISK_QUOTA *dq)
  64 {
  65         errno = ENOSYS;
  66         return -1;
  67 }
  68
  69 static int skel_set_quota(vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype,
  70                           unid_t id, SMB_DISK_QUOTA *dq)
  71 {
  72         errno = ENOSYS;
  73         return -1;
  74 }
  75
  76 static int skel_get_shadow_copy_data(vfs_handle_struct *handle,
  77                                      files_struct *fsp,
  78                                      struct shadow_copy_data *shadow_copy_data,
  79                                      bool labels)
  80 {
  81         errno = ENOSYS;
  82         return -1;
  83 }
  84
  85 static int skel_statvfs(struct vfs_handle_struct *handle,
  86                                 const struct smb_filename *smb_fname,
  87                                 struct vfs_statvfs_struct *statbuf)
  88 {
  89         errno = ENOSYS;
  90         return -1;
  91 }
  92
  93 static uint32_t skel_fs_capabilities(struct vfs_handle_struct *handle,
  94                                      enum timestamp_set_resolution *p_ts_res)
  95 {
  96         return 0;
  97 }
  98
  99 static NTSTATUS skel_get_dfs_referrals(struct vfs_handle_struct *handle,
 100                                        struct dfs_GetDFSReferral *r)
 101 {
 102         return NT_STATUS_NOT_IMPLEMENTED;
 103 }
 104
 105 static DIR *skel_opendir(vfs_handle_struct *handle,
 106                         const struct smb_filename *smb_fname,
 107                         const char *mask,
 108                         uint32_t attr)
 109 {
 110         return NULL;
 111 }
 112
 113 static NTSTATUS skel_snap_check_path(struct vfs_handle_struct *handle,
 114                                      TALLOC_CTX *mem_ctx,
 115                                      const char *service_path,
 116                                      char **base_volume)
 117 {
 118         return NT_STATUS_NOT_SUPPORTED;
 119 }
 120
 121 static NTSTATUS skel_snap_create(struct vfs_handle_struct *handle,
 122                                  TALLOC_CTX *mem_ctx,
 123                                  const char *base_volume,
 124                                  time_t *tstamp,
 125                                  bool rw,
 126                                  char **base_path,
 127                                  char **snap_path)
 128 {
 129         return NT_STATUS_NOT_SUPPORTED;
 130 }
 131
 132 static NTSTATUS skel_snap_delete(struct vfs_handle_struct *handle,
 133                                  TALLOC_CTX *mem_ctx,
 134                                  char *base_path,
 135                                  char *snap_path)
 136 {
 137         return NT_STATUS_NOT_SUPPORTED;
 138 }
 139
 140 static DIR *skel_fdopendir(vfs_handle_struct *handle, files_struct *fsp,
 141                            const char *mask, uint32_t attr)
 142 {
 143         return NULL;
 144 }
 145
 146 static struct dirent *skel_readdir(vfs_handle_struct *handle,
 147                                    DIR *dirp, SMB_STRUCT_STAT *sbuf)
 148 {
 149         return NULL;
 150 }
 151
 152 static void skel_seekdir(vfs_handle_struct *handle, DIR *dirp, long offset)
 153 {
 154         ;
 155 }
 156
 157 static long skel_telldir(vfs_handle_struct *handle, DIR *dirp)
 158 {
 159         return (long)-1;
 160 }
 161
 162 static void skel_rewind_dir(vfs_handle_struct *handle, DIR *dirp)
 163 {
 164         ;
 165 }
 166
 167 static int skel_mkdir(vfs_handle_struct *handle,
 168                 const struct smb_filename *smb_fname,
 169                 mode_t mode)
 170 {
 171         errno = ENOSYS;
 172         return -1;
 173 }
 174
 175 static int skel_rmdir(vfs_handle_struct *handle,
 176                 const struct smb_filename *smb_fname)
 177 {
 178         errno = ENOSYS;
 179         return -1;
 180 }
 181
 182 static int skel_closedir(vfs_handle_struct *handle, DIR *dir)
 183 {
 184         errno = ENOSYS;
 185         return -1;
 186 }
 187
 188 static void skel_init_search_op(struct vfs_handle_struct *handle, DIR *dirp)
 189 {
 190         ;
 191 }
 192
 193 static int skel_open(vfs_handle_struct *handle, struct smb_filename *smb_fname,
 194                      files_struct *fsp, int flags, mode_t mode)
 195 {
 196         errno = ENOSYS;
 197         return -1;
 198 }
 199
 200 static NTSTATUS skel_create_file(struct vfs_handle_struct *handle,
 201                                  struct smb_request *req,
 202                                  uint16_t root_dir_fid,
 203                                  struct smb_filename *smb_fname,
 204                                  uint32_t access_mask,
 205                                  uint32_t share_access,
 206                                  uint32_t create_disposition,
 207                                  uint32_t create_options,
 208                                  uint32_t file_attributes,
 209                                  uint32_t oplock_request,
 210                                  struct smb2_lease *lease,
 211                                  uint64_t allocation_size,
 212                                  uint32_t private_flags,
 213                                  struct security_descriptor *sd,
 214                                  struct ea_list *ea_list,
 215                                  files_struct **result, int *pinfo,
 216                                  const struct smb2_create_blobs *in_context_blobs,
 217                                  struct smb2_create_blobs *out_context_blobs)
 218 {
 219         return NT_STATUS_NOT_IMPLEMENTED;
 220 }
 221
 222 static int skel_close_fn(vfs_handle_struct *handle, files_struct *fsp)
 223 {
 224         errno = ENOSYS;
 225         return -1;
 226 }
 227
 228 static ssize_t skel_vfs_read(vfs_handle_struct *handle, files_struct *fsp,
 229                              void *data, size_t n)
 230 {
 231         errno = ENOSYS;
 232         return -1;
 233 }
 234
 235 static ssize_t skel_pread(vfs_handle_struct *handle, files_struct *fsp,
 236                           void *data, size_t n, off_t offset)
 237 {
 238         errno = ENOSYS;
 239         return -1;
 240 }
 241
 242 static struct tevent_req *skel_pread_send(struct vfs_handle_struct *handle,
 243                                           TALLOC_CTX *mem_ctx,
 244                                           struct tevent_context *ev,
 245                                           struct files_struct *fsp,
 246                                           void *data, size_t n, off_t offset)
 247 {
 248         return NULL;
 249 }
 250
 251 static ssize_t skel_pread_recv(struct tevent_req *req,
 252                                struct vfs_aio_state *vfs_aio_state)
 253 {
 254         vfs_aio_state->error = ENOSYS;
 255         return -1;
 256 }
 257
 258 static ssize_t skel_write(vfs_handle_struct *handle, files_struct *fsp,
 259                           const void *data, size_t n)
 260 {
 261         errno = ENOSYS;
 262         return -1;
 263 }
 264
 265 static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp,
 266                            const void *data, size_t n, off_t offset)
 267 {
 268         errno = ENOSYS;
 269         return -1;
 270 }
 271
 272 static struct tevent_req *skel_pwrite_send(struct vfs_handle_struct *handle,
 273                                            TALLOC_CTX *mem_ctx,
 274                                            struct tevent_context *ev,
 275                                            struct files_struct *fsp,
 276                                            const void *data,
 277                                            size_t n, off_t offset)
 278 {
 279         return NULL;
 280 }
 281
 282 static ssize_t skel_pwrite_recv(struct tevent_req *req,
 283                                 struct vfs_aio_state *vfs_aio_state)
 284 {
 285         vfs_aio_state->error = ENOSYS;
 286         return -1;
 287 }
 288
 289 static off_t skel_lseek(vfs_handle_struct *handle, files_struct *fsp,
 290                         off_t offset, int whence)
 291 {
 292         errno = ENOSYS;
 293         return (off_t) - 1;
 294 }
 295
 296 static ssize_t skel_sendfile(vfs_handle_struct *handle, int tofd,
 297                              files_struct *fromfsp, const DATA_BLOB *hdr,
 298                              off_t offset, size_t n)
 299 {
 300         errno = ENOSYS;
 301         return -1;
 302 }
 303
 304 static ssize_t skel_recvfile(vfs_handle_struct *handle, int fromfd,
 305                              files_struct *tofsp, off_t offset, size_t n)
 306 {
 307         errno = ENOSYS;
 308         return -1;
 309 }
 310
 311 static int skel_rename(vfs_handle_struct *handle,
 312                        const struct smb_filename *smb_fname_src,
 313                        const struct smb_filename *smb_fname_dst)
 314 {
 315         errno = ENOSYS;
 316         return -1;
 317 }
 318
 319 static int skel_fsync(vfs_handle_struct *handle, files_struct *fsp)
 320 {
 321         errno = ENOSYS;
 322         return -1;
 323 }
 324
 325 static struct tevent_req *skel_fsync_send(struct vfs_handle_struct *handle,
 326                                           TALLOC_CTX *mem_ctx,
 327                                           struct tevent_context *ev,
 328                                           struct files_struct *fsp)
 329 {
 330         return NULL;
 331 }
 332
 333 static int skel_fsync_recv(struct tevent_req *req,
 334                            struct vfs_aio_state *vfs_aio_state)
 335 {
 336         vfs_aio_state->error = ENOSYS;
 337         return -1;
 338 }
 339
 340 static int skel_stat(vfs_handle_struct *handle, struct smb_filename *smb_fname)
 341 {
 342         errno = ENOSYS;
 343         return -1;
 344 }
 345
 346 static int skel_fstat(vfs_handle_struct *handle, files_struct *fsp,
 347                       SMB_STRUCT_STAT *sbuf)
 348 {
 349         errno = ENOSYS;
 350         return -1;
 351 }
 352
 353 static int skel_lstat(vfs_handle_struct *handle,
 354                       struct smb_filename *smb_fname)
 355 {
 356         errno = ENOSYS;
 357         return -1;
 358 }
 359
 360 static uint64_t skel_get_alloc_size(struct vfs_handle_struct *handle,
 361                                     struct files_struct *fsp,
 362                                     const SMB_STRUCT_STAT *sbuf)
 363 {
 364         errno = ENOSYS;
 365         return -1;
 366 }
 367
 368 static int skel_unlink(vfs_handle_struct *handle,
 369                        const struct smb_filename *smb_fname)
 370 {
 371         errno = ENOSYS;
 372         return -1;
 373 }
 374
 375 static int skel_chmod(vfs_handle_struct *handle,
 376                         const struct smb_filename *smb_fname,
 377                         mode_t mode)
 378 {
 379         errno = ENOSYS;
 380         return -1;
 381 }
 382
 383 static int skel_fchmod(vfs_handle_struct *handle, files_struct *fsp,
 384                        mode_t mode)
 385 {
 386         errno = ENOSYS;
 387         return -1;
 388 }
 389
 390 static int skel_chown(vfs_handle_struct *handle,
 391                         const struct smb_filename *smb_fname,
 392                         uid_t uid,
 393                         gid_t gid)
 394 {
 395         errno = ENOSYS;
 396         return -1;
 397 }
 398
 399 static int skel_fchown(vfs_handle_struct *handle, files_struct *fsp,
 400                        uid_t uid, gid_t gid)
 401 {
 402         errno = ENOSYS;
 403         return -1;
 404 }
 405
 406 static int skel_lchown(vfs_handle_struct *handle,
 407                         const struct smb_filename *smb_fname,
 408                         uid_t uid,
 409                         gid_t gid)
 410 {
 411         errno = ENOSYS;
 412         return -1;
 413 }
 414
 415 static int skel_chdir(vfs_handle_struct *handle, const char *path)
 416 {
 417         errno = ENOSYS;
 418         return -1;
 419 }
 420
 421 static char *skel_getwd(vfs_handle_struct *handle)
 422 {
 423         errno = ENOSYS;
 424         return NULL;
 425 }
 426
 427 static int skel_ntimes(vfs_handle_struct *handle,
 428                        const struct smb_filename *smb_fname,
 429                        struct smb_file_time *ft)
 430 {
 431         errno = ENOSYS;
 432         return -1;
 433 }
 434
 435 static int skel_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
 436                           off_t offset)
 437 {
 438         errno = ENOSYS;
 439         return -1;
 440 }
 441
 442 static int skel_fallocate(vfs_handle_struct *handle, files_struct *fsp,
 443                           uint32_t mode, off_t offset, off_t len)
 444 {
 445         errno = ENOSYS;
 446         return -1;
 447 }
 448
 449 static bool skel_lock(vfs_handle_struct *handle, files_struct *fsp, int op,
 450                       off_t offset, off_t count, int type)
 451 {
 452         errno = ENOSYS;
 453         return false;
 454 }
 455
 456 static int skel_kernel_flock(struct vfs_handle_struct *handle,
 457                              struct files_struct *fsp,
 458                              uint32_t share_mode, uint32_t access_mask)
 459 {
 460         errno = ENOSYS;
 461         return -1;
 462 }
 463
 464 static int skel_linux_setlease(struct vfs_handle_struct *handle,
 465                                struct files_struct *fsp, int leasetype)
 466 {
 467         errno = ENOSYS;
 468         return -1;
 469 }
 470
 471 static bool skel_getlock(vfs_handle_struct *handle, files_struct *fsp,
 472                          off_t *poffset, off_t *pcount, int *ptype,
 473                          pid_t *ppid)
 474 {
 475         errno = ENOSYS;
 476         return false;
 477 }
 478
 479 static int skel_symlink(vfs_handle_struct *handle, const char *oldpath,
 480                         const char *newpath)
 481 {
 482         errno = ENOSYS;
 483         return -1;
 484 }
 485
 486 static int skel_vfs_readlink(vfs_handle_struct *handle,
 487                         const struct smb_filename *smb_fname,
 488                         char *buf,
 489                         size_t bufsiz)
 490 {
 491         errno = ENOSYS;
 492         return -1;
 493 }
 494
 495 static int skel_link(vfs_handle_struct *handle,
 496                         const struct smb_filename *old_smb_fname,
 497                         const struct smb_filename *new_smb_fname)
 498 {
 499         errno = ENOSYS;
 500         return -1;
 501 }
 502
 503 static int skel_mknod(vfs_handle_struct *handle,
 504                         const struct smb_filename *smb_fname,
 505                         mode_t mode,
 506                         SMB_DEV_T dev)
 507 {
 508         errno = ENOSYS;
 509         return -1;
 510 }
 511
 512 static char *skel_realpath(vfs_handle_struct *handle, const char *path)
 513 {
 514         errno = ENOSYS;
 515         return NULL;
 516 }
 517
 518 static int skel_chflags(vfs_handle_struct *handle,
 519                         const struct smb_filename *smb_fname,
 520                         uint flags)
 521 {
 522         errno = ENOSYS;
 523         return -1;
 524 }
 525
 526 static struct file_id skel_file_id_create(vfs_handle_struct *handle,
 527                                           const SMB_STRUCT_STAT *sbuf)
 528 {
 529         struct file_id id;
 530         ZERO_STRUCT(id);
 531         errno = ENOSYS;
 532         return id;
 533 }
 534
 535 struct skel_cc_state {
 536         uint64_t unused;
 537 };
 538 static struct tevent_req *skel_copy_chunk_send(struct vfs_handle_struct *handle,
 539                                                TALLOC_CTX *mem_ctx,
 540                                                struct tevent_context *ev,
 541                                                struct files_struct *src_fsp,
 542                                                off_t src_off,
 543                                                struct files_struct *dest_fsp,
 544                                                off_t dest_off,
 545                                                off_t num,
 546                                                uint32_t flags)
 547 {
 548         struct tevent_req *req;
 549         struct skel_cc_state *cc_state;
 550
 551         req = tevent_req_create(mem_ctx, &cc_state, struct skel_cc_state);
 552         if (req == NULL) {
 553                 return NULL;
 554         }
 555
 556         tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
 557         return tevent_req_post(req, ev);
 558 }
 559
 560 static NTSTATUS skel_copy_chunk_recv(struct vfs_handle_struct *handle,
 561                                      struct tevent_req *req,
 562                                      off_t *copied)
 563 {
 564         NTSTATUS status;
 565
 566         if (tevent_req_is_nterror(req, &status)) {
 567                 tevent_req_received(req);
 568                 return status;
 569         }
 570         tevent_req_received(req);
 571
 572         return NT_STATUS_OK;
 573 }
 574
 575 static NTSTATUS skel_get_compression(struct vfs_handle_struct *handle,
 576                                      TALLOC_CTX *mem_ctx,
 577                                      struct files_struct *fsp,
 578                                      struct smb_filename *smb_fname,
 579                                      uint16_t *_compression_fmt)
 580 {
 581         return NT_STATUS_INVALID_DEVICE_REQUEST;
 582 }
 583
 584 static NTSTATUS skel_set_compression(struct vfs_handle_struct *handle,
 585                                      TALLOC_CTX *mem_ctx,
 586                                      struct files_struct *fsp,
 587                                      uint16_t compression_fmt)
 588 {
 589         return NT_STATUS_INVALID_DEVICE_REQUEST;
 590 }
 591
 592 static NTSTATUS skel_streaminfo(struct vfs_handle_struct *handle,
 593                                 struct files_struct *fsp,
 594                                 const struct smb_filename *smb_fname,
 595                                 TALLOC_CTX *mem_ctx,
 596                                 unsigned int *num_streams,
 597                                 struct stream_struct **streams)
 598 {
 599         return NT_STATUS_NOT_IMPLEMENTED;
 600 }
 601
 602 static int skel_get_real_filename(struct vfs_handle_struct *handle,
 603                                   const char *path,
 604                                   const char *name,
 605                                   TALLOC_CTX *mem_ctx, char **found_name)
 606 {
 607         errno = ENOSYS;
 608         return -1;
 609 }
 610
 611 static const char *skel_connectpath(struct vfs_handle_struct *handle,
 612                                     const char *filename)
 613 {
 614         errno = ENOSYS;
 615         return NULL;
 616 }
 617
 618 static NTSTATUS skel_brl_lock_windows(struct vfs_handle_struct *handle,
 619                                       struct byte_range_lock *br_lck,
 620                                       struct lock_struct *plock,
 621                                       bool blocking_lock)
 622 {
 623         return NT_STATUS_NOT_IMPLEMENTED;
 624 }
 625
 626 static bool skel_brl_unlock_windows(struct vfs_handle_struct *handle,
 627                                     struct messaging_context *msg_ctx,
 628                                     struct byte_range_lock *br_lck,
 629                                     const struct lock_struct *plock)
 630 {
 631         errno = ENOSYS;
 632         return false;
 633 }
 634
 635 static bool skel_brl_cancel_windows(struct vfs_handle_struct *handle,
 636                                     struct byte_range_lock *br_lck,
 637                                     struct lock_struct *plock)
 638 {
 639         errno = ENOSYS;
 640         return false;
 641 }
 642
 643 static bool skel_strict_lock(struct vfs_handle_struct *handle,
 644                              struct files_struct *fsp,
 645                              struct lock_struct *plock)
 646 {
 647         errno = ENOSYS;
 648         return false;
 649 }
 650
 651 static void skel_strict_unlock(struct vfs_handle_struct *handle,
 652                                struct files_struct *fsp,
 653                                struct lock_struct *plock)
 654 {
 655         ;
 656 }
 657
 658 static NTSTATUS skel_translate_name(struct vfs_handle_struct *handle,
 659                                     const char *mapped_name,
 660                                     enum vfs_translate_direction direction,
 661                                     TALLOC_CTX *mem_ctx, char **pmapped_name)
 662 {
 663         return NT_STATUS_NOT_IMPLEMENTED;
 664 }
 665
 666 static NTSTATUS skel_fsctl(struct vfs_handle_struct *handle,
 667                            struct files_struct *fsp,
 668                            TALLOC_CTX *ctx,
 669                            uint32_t function,
 670                            uint16_t req_flags,  /* Needed for UNICODE ... */
 671                            const uint8_t *_in_data,
 672                            uint32_t in_len,
 673                            uint8_t **_out_data,
 674                            uint32_t max_out_len, uint32_t *out_len)
 675 {
 676         return NT_STATUS_NOT_IMPLEMENTED;
 677 }
 678
 679 static NTSTATUS skel_readdir_attr(struct vfs_handle_struct *handle,
 680                                   const struct smb_filename *fname,
 681                                   TALLOC_CTX *mem_ctx,
 682                                   struct readdir_attr_data **pattr_data)
 683 {
 684         return NT_STATUS_NOT_IMPLEMENTED;
 685 }
 686
 687 static NTSTATUS skel_get_dos_attributes(struct vfs_handle_struct *handle,
 688                                 struct smb_filename *smb_fname,
 689                                 uint32_t *dosmode)
 690 {
 691         return NT_STATUS_NOT_IMPLEMENTED;
 692 }
 693
 694 static NTSTATUS skel_fget_dos_attributes(struct vfs_handle_struct *handle,
 695                                 struct files_struct *fsp,
 696                                 uint32_t *dosmode)
 697 {
 698         return NT_STATUS_NOT_IMPLEMENTED;
 699 }
 700
 701 static NTSTATUS skel_set_dos_attributes(struct vfs_handle_struct *handle,
 702                                 const struct smb_filename *smb_fname,
 703                                 uint32_t dosmode)
 704 {
 705         return NT_STATUS_NOT_IMPLEMENTED;
 706 }
 707
 708 static NTSTATUS skel_fset_dos_attributes(struct vfs_handle_struct *handle,
 709                                 struct files_struct *fsp,
 710                                 uint32_t dosmode)
 711 {
 712         return NT_STATUS_NOT_IMPLEMENTED;
 713 }
 714
 715 static NTSTATUS skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 716                                  uint32_t security_info,
 717                                  TALLOC_CTX *mem_ctx,
 718                                  struct security_descriptor **ppdesc)
 719 {
 720         return NT_STATUS_NOT_IMPLEMENTED;
 721 }
 722
 723 static NTSTATUS skel_get_nt_acl(vfs_handle_struct *handle,
 724                                 const struct smb_filename *smb_fname,
 725                                 uint32_t security_info,
 726                                 TALLOC_CTX *mem_ctx,
 727                                 struct security_descriptor **ppdesc)
 728 {
 729         return NT_STATUS_NOT_IMPLEMENTED;
 730 }
 731
 732 static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 733                                  uint32_t security_info_sent,
 734                                  const struct security_descriptor *psd)
 735 {
 736         return NT_STATUS_NOT_IMPLEMENTED;
 737 }
 738
 739 static int skel_chmod_acl(vfs_handle_struct *handle,
 740                         const struct smb_filename *smb_fname,
 741                         mode_t mode)
 742 {
 743         errno = ENOSYS;
 744         return -1;
 745 }
 746
 747 static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp,
 748                            mode_t mode)
 749 {
 750         errno = ENOSYS;
 751         return -1;
 752 }
 753
 754 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,
 755                                        const struct smb_filename *smb_fname,
 756                                        SMB_ACL_TYPE_T type,
 757                                        TALLOC_CTX *mem_ctx)
 758 {
 759         errno = ENOSYS;
 760         return (SMB_ACL_T) NULL;
 761 }
 762
 763 static SMB_ACL_T skel_sys_acl_get_fd(vfs_handle_struct *handle,
 764                                      files_struct *fsp, TALLOC_CTX *mem_ctx)
 765 {
 766         errno = ENOSYS;
 767         return (SMB_ACL_T) NULL;
 768 }
 769
 770 static int skel_sys_acl_blob_get_file(vfs_handle_struct *handle,
 771                                 const struct smb_filename *smb_fname,
 772                                 TALLOC_CTX *mem_ctx,
 773                                 char **blob_description,
 774                                 DATA_BLOB *blob)
 775 {
 776         errno = ENOSYS;
 777         return -1;
 778 }
 779
 780 static int skel_sys_acl_blob_get_fd(vfs_handle_struct *handle,
 781                                     files_struct *fsp, TALLOC_CTX *mem_ctx,
 782                                     char **blob_description, DATA_BLOB *blob)
 783 {
 784         errno = ENOSYS;
 785         return -1;
 786 }
 787
 788 static int skel_sys_acl_set_file(vfs_handle_struct *handle,
 789                                 const struct smb_filename *smb_fname,
 790                                 SMB_ACL_TYPE_T acltype,
 791                                 SMB_ACL_T theacl)
 792 {
 793         errno = ENOSYS;
 794         return -1;
 795 }
 796
 797 static int skel_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp,
 798                                SMB_ACL_T theacl)
 799 {
 800         errno = ENOSYS;
 801         return -1;
 802 }
 803
 804 static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle,
 805                                         const struct smb_filename *smb_fname)
 806 {
 807         errno = ENOSYS;
 808         return -1;
 809 }
 810
 811 static ssize_t skel_getxattr(vfs_handle_struct *handle,
 812                                 const struct smb_filename *smb_fname,
 813                                 const char *name,
 814                                 void *value,
 815                                 size_t size)
 816 {
 817         errno = ENOSYS;
 818         return -1;
 819 }
 820
 821 static ssize_t skel_fgetxattr(vfs_handle_struct *handle,
 822                               struct files_struct *fsp, const char *name,
 823                               void *value, size_t size)
 824 {
 825         errno = ENOSYS;
 826         return -1;
 827 }
 828
 829 static ssize_t skel_listxattr(vfs_handle_struct *handle,
 830                                 const struct smb_filename *smb_fname,
 831                                 char *list,
 832                                 size_t size)
 833 {
 834         errno = ENOSYS;
 835         return -1;
 836 }
 837
 838 static ssize_t skel_flistxattr(vfs_handle_struct *handle,
 839                                struct files_struct *fsp, char *list,
 840                                size_t size)
 841 {
 842         errno = ENOSYS;
 843         return -1;
 844 }
 845
 846 static int skel_removexattr(vfs_handle_struct *handle,
 847                         const struct smb_filename *smb_fname,
 848                         const char *name)
 849 {
 850         errno = ENOSYS;
 851         return -1;
 852 }
 853
 854 static int skel_fremovexattr(vfs_handle_struct *handle,
 855                              struct files_struct *fsp, const char *name)
 856 {
 857         errno = ENOSYS;
 858         return -1;
 859         return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, name);
 860 }
 861
 862 static int skel_setxattr(vfs_handle_struct *handle,
 863                         const struct smb_filename *smb_fname,
 864                         const char *name,
 865                         const void *value,
 866                         size_t size,
 867                         int flags)
 868 {
 869         errno = ENOSYS;
 870         return -1;
 871 }
 872
 873 static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,
 874                           const char *name, const void *value, size_t size,
 875                           int flags)
 876 {
 877         errno = ENOSYS;
 878         return -1;
 879 }
 880
 881 static bool skel_aio_force(struct vfs_handle_struct *handle,
 882                            struct files_struct *fsp)
 883 {
 884         errno = ENOSYS;
 885         return false;
 886 }
 887
 888 /* VFS operations structure */
 889
 890 struct vfs_fn_pointers skel_opaque_fns = {
 891         /* Disk operations */
 892
 893         .connect_fn = skel_connect,
 894         .disconnect_fn = skel_disconnect,
 895         .disk_free_fn = skel_disk_free,
 896         .get_quota_fn = skel_get_quota,
 897         .set_quota_fn = skel_set_quota,
 898         .get_shadow_copy_data_fn = skel_get_shadow_copy_data,
 899         .statvfs_fn = skel_statvfs,
 900         .fs_capabilities_fn = skel_fs_capabilities,
 901         .get_dfs_referrals_fn = skel_get_dfs_referrals,
 902         .snap_check_path_fn = skel_snap_check_path,
 903         .snap_create_fn = skel_snap_create,
 904         .snap_delete_fn = skel_snap_delete,
 905
 906         /* Directory operations */
 907
 908         .opendir_fn = skel_opendir,
 909         .fdopendir_fn = skel_fdopendir,
 910         .readdir_fn = skel_readdir,
 911         .seekdir_fn = skel_seekdir,
 912         .telldir_fn = skel_telldir,
 913         .rewind_dir_fn = skel_rewind_dir,
 914         .mkdir_fn = skel_mkdir,
 915         .rmdir_fn = skel_rmdir,
 916         .closedir_fn = skel_closedir,
 917         .init_search_op_fn = skel_init_search_op,
 918
 919         /* File operations */
 920
 921         .open_fn = skel_open,
 922         .create_file_fn = skel_create_file,
 923         .close_fn = skel_close_fn,
 924         .read_fn = skel_vfs_read,
 925         .pread_fn = skel_pread,
 926         .pread_send_fn = skel_pread_send,
 927         .pread_recv_fn = skel_pread_recv,
 928         .write_fn = skel_write,
 929         .pwrite_fn = skel_pwrite,
 930         .pwrite_send_fn = skel_pwrite_send,
 931         .pwrite_recv_fn = skel_pwrite_recv,
 932         .lseek_fn = skel_lseek,
 933         .sendfile_fn = skel_sendfile,
 934         .recvfile_fn = skel_recvfile,
 935         .rename_fn = skel_rename,
 936         .fsync_fn = skel_fsync,
 937         .fsync_send_fn = skel_fsync_send,
 938         .fsync_recv_fn = skel_fsync_recv,
 939         .stat_fn = skel_stat,
 940         .fstat_fn = skel_fstat,
 941         .lstat_fn = skel_lstat,
 942         .get_alloc_size_fn = skel_get_alloc_size,
 943         .unlink_fn = skel_unlink,
 944         .chmod_fn = skel_chmod,
 945         .fchmod_fn = skel_fchmod,
 946         .chown_fn = skel_chown,
 947         .fchown_fn = skel_fchown,
 948         .lchown_fn = skel_lchown,
 949         .chdir_fn = skel_chdir,
 950         .getwd_fn = skel_getwd,
 951         .ntimes_fn = skel_ntimes,
 952         .ftruncate_fn = skel_ftruncate,
 953         .fallocate_fn = skel_fallocate,
 954         .lock_fn = skel_lock,
 955         .kernel_flock_fn = skel_kernel_flock,
 956         .linux_setlease_fn = skel_linux_setlease,
 957         .getlock_fn = skel_getlock,
 958         .symlink_fn = skel_symlink,
 959         .readlink_fn = skel_vfs_readlink,
 960         .link_fn = skel_link,
 961         .mknod_fn = skel_mknod,
 962         .realpath_fn = skel_realpath,
 963         .chflags_fn = skel_chflags,
 964         .file_id_create_fn = skel_file_id_create,
 965         .copy_chunk_send_fn = skel_copy_chunk_send,
 966         .copy_chunk_recv_fn = skel_copy_chunk_recv,
 967         .get_compression_fn = skel_get_compression,
 968         .set_compression_fn = skel_set_compression,
 969
 970         .streaminfo_fn = skel_streaminfo,
 971         .get_real_filename_fn = skel_get_real_filename,
 972         .connectpath_fn = skel_connectpath,
 973         .brl_lock_windows_fn = skel_brl_lock_windows,
 974         .brl_unlock_windows_fn = skel_brl_unlock_windows,
 975         .brl_cancel_windows_fn = skel_brl_cancel_windows,
 976         .strict_lock_fn = skel_strict_lock,
 977         .strict_unlock_fn = skel_strict_unlock,
 978         .translate_name_fn = skel_translate_name,
 979         .fsctl_fn = skel_fsctl,
 980         .readdir_attr_fn = skel_readdir_attr,
 981
 982         /* DOS attributes. */
 983         .get_dos_attributes_fn = skel_get_dos_attributes,
 984         .fget_dos_attributes_fn = skel_fget_dos_attributes,
 985         .set_dos_attributes_fn = skel_set_dos_attributes,
 986         .fset_dos_attributes_fn = skel_fset_dos_attributes,
 987
 988         /* NT ACL operations. */
 989
 990         .fget_nt_acl_fn = skel_fget_nt_acl,
 991         .get_nt_acl_fn = skel_get_nt_acl,
 992         .fset_nt_acl_fn = skel_fset_nt_acl,
 993
 994         /* POSIX ACL operations. */
 995
 996         .chmod_acl_fn = skel_chmod_acl,
 997         .fchmod_acl_fn = skel_fchmod_acl,
 998
 999         .sys_acl_get_file_fn = skel_sys_acl_get_file,
1000         .sys_acl_get_fd_fn = skel_sys_acl_get_fd,
1001         .sys_acl_blob_get_file_fn = skel_sys_acl_blob_get_file,
1002         .sys_acl_blob_get_fd_fn = skel_sys_acl_blob_get_fd,
1003         .sys_acl_set_file_fn = skel_sys_acl_set_file,
1004         .sys_acl_set_fd_fn = skel_sys_acl_set_fd,
1005         .sys_acl_delete_def_file_fn = skel_sys_acl_delete_def_file,
1006
1007         /* EA operations. */
1008         .getxattr_fn = skel_getxattr,
1009         .fgetxattr_fn = skel_fgetxattr,
1010         .listxattr_fn = skel_listxattr,
1011         .flistxattr_fn = skel_flistxattr,
1012         .removexattr_fn = skel_removexattr,
1013         .fremovexattr_fn = skel_fremovexattr,
1014         .setxattr_fn = skel_setxattr,
1015         .fsetxattr_fn = skel_fsetxattr,
1016
1017         /* aio operations */
1018         .aio_force_fn = skel_aio_force,
1019 };
1020
1021 static_decl_vfs;
1022 NTSTATUS vfs_skel_opaque_init(TALLOC_CTX *ctx)
1023 {
1024         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_opaque",
1025                                 &skel_opaque_fns);
1026 }