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,
 416                         const struct smb_filename *smb_fname)
 417 {
 418         errno = ENOSYS;
 419         return -1;
 420 }
 421
 422 static struct smb_filename *skel_getwd(vfs_handle_struct *handle,
 423                                 TALLOC_CTX *ctx)
 424 {
 425         errno = ENOSYS;
 426         return NULL;
 427 }
 428
 429 static int skel_ntimes(vfs_handle_struct *handle,
 430                        const struct smb_filename *smb_fname,
 431                        struct smb_file_time *ft)
 432 {
 433         errno = ENOSYS;
 434         return -1;
 435 }
 436
 437 static int skel_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
 438                           off_t offset)
 439 {
 440         errno = ENOSYS;
 441         return -1;
 442 }
 443
 444 static int skel_fallocate(vfs_handle_struct *handle, files_struct *fsp,
 445                           uint32_t mode, off_t offset, off_t len)
 446 {
 447         errno = ENOSYS;
 448         return -1;
 449 }
 450
 451 static bool skel_lock(vfs_handle_struct *handle, files_struct *fsp, int op,
 452                       off_t offset, off_t count, int type)
 453 {
 454         errno = ENOSYS;
 455         return false;
 456 }
 457
 458 static int skel_kernel_flock(struct vfs_handle_struct *handle,
 459                              struct files_struct *fsp,
 460                              uint32_t share_mode, uint32_t access_mask)
 461 {
 462         errno = ENOSYS;
 463         return -1;
 464 }
 465
 466 static int skel_linux_setlease(struct vfs_handle_struct *handle,
 467                                struct files_struct *fsp, int leasetype)
 468 {
 469         errno = ENOSYS;
 470         return -1;
 471 }
 472
 473 static bool skel_getlock(vfs_handle_struct *handle, files_struct *fsp,
 474                          off_t *poffset, off_t *pcount, int *ptype,
 475                          pid_t *ppid)
 476 {
 477         errno = ENOSYS;
 478         return false;
 479 }
 480
 481 static int skel_symlink(vfs_handle_struct *handle,
 482                         const char *link_contents,
 483                         const struct smb_filename *new_smb_fname)
 484 {
 485         errno = ENOSYS;
 486         return -1;
 487 }
 488
 489 static int skel_vfs_readlink(vfs_handle_struct *handle,
 490                         const struct smb_filename *smb_fname,
 491                         char *buf,
 492                         size_t bufsiz)
 493 {
 494         errno = ENOSYS;
 495         return -1;
 496 }
 497
 498 static int skel_link(vfs_handle_struct *handle,
 499                         const struct smb_filename *old_smb_fname,
 500                         const struct smb_filename *new_smb_fname)
 501 {
 502         errno = ENOSYS;
 503         return -1;
 504 }
 505
 506 static int skel_mknod(vfs_handle_struct *handle,
 507                         const struct smb_filename *smb_fname,
 508                         mode_t mode,
 509                         SMB_DEV_T dev)
 510 {
 511         errno = ENOSYS;
 512         return -1;
 513 }
 514
 515 static struct smb_filename *skel_realpath(vfs_handle_struct *handle,
 516                         TALLOC_CTX *ctx,
 517                         const struct smb_filename *smb_fname)
 518 {
 519         errno = ENOSYS;
 520         return NULL;
 521 }
 522
 523 static int skel_chflags(vfs_handle_struct *handle,
 524                         const struct smb_filename *smb_fname,
 525                         uint flags)
 526 {
 527         errno = ENOSYS;
 528         return -1;
 529 }
 530
 531 static struct file_id skel_file_id_create(vfs_handle_struct *handle,
 532                                           const SMB_STRUCT_STAT *sbuf)
 533 {
 534         struct file_id id;
 535         ZERO_STRUCT(id);
 536         errno = ENOSYS;
 537         return id;
 538 }
 539
 540 struct skel_cc_state {
 541         uint64_t unused;
 542 };
 543 static struct tevent_req *skel_copy_chunk_send(struct vfs_handle_struct *handle,
 544                                                TALLOC_CTX *mem_ctx,
 545                                                struct tevent_context *ev,
 546                                                struct files_struct *src_fsp,
 547                                                off_t src_off,
 548                                                struct files_struct *dest_fsp,
 549                                                off_t dest_off,
 550                                                off_t num,
 551                                                uint32_t flags)
 552 {
 553         struct tevent_req *req;
 554         struct skel_cc_state *cc_state;
 555
 556         req = tevent_req_create(mem_ctx, &cc_state, struct skel_cc_state);
 557         if (req == NULL) {
 558                 return NULL;
 559         }
 560
 561         tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
 562         return tevent_req_post(req, ev);
 563 }
 564
 565 static NTSTATUS skel_copy_chunk_recv(struct vfs_handle_struct *handle,
 566                                      struct tevent_req *req,
 567                                      off_t *copied)
 568 {
 569         NTSTATUS status;
 570
 571         if (tevent_req_is_nterror(req, &status)) {
 572                 tevent_req_received(req);
 573                 return status;
 574         }
 575         tevent_req_received(req);
 576
 577         return NT_STATUS_OK;
 578 }
 579
 580 static NTSTATUS skel_get_compression(struct vfs_handle_struct *handle,
 581                                      TALLOC_CTX *mem_ctx,
 582                                      struct files_struct *fsp,
 583                                      struct smb_filename *smb_fname,
 584                                      uint16_t *_compression_fmt)
 585 {
 586         return NT_STATUS_INVALID_DEVICE_REQUEST;
 587 }
 588
 589 static NTSTATUS skel_set_compression(struct vfs_handle_struct *handle,
 590                                      TALLOC_CTX *mem_ctx,
 591                                      struct files_struct *fsp,
 592                                      uint16_t compression_fmt)
 593 {
 594         return NT_STATUS_INVALID_DEVICE_REQUEST;
 595 }
 596
 597 static NTSTATUS skel_streaminfo(struct vfs_handle_struct *handle,
 598                                 struct files_struct *fsp,
 599                                 const struct smb_filename *smb_fname,
 600                                 TALLOC_CTX *mem_ctx,
 601                                 unsigned int *num_streams,
 602                                 struct stream_struct **streams)
 603 {
 604         return NT_STATUS_NOT_IMPLEMENTED;
 605 }
 606
 607 static int skel_get_real_filename(struct vfs_handle_struct *handle,
 608                                   const char *path,
 609                                   const char *name,
 610                                   TALLOC_CTX *mem_ctx, char **found_name)
 611 {
 612         errno = ENOSYS;
 613         return -1;
 614 }
 615
 616 static const char *skel_connectpath(struct vfs_handle_struct *handle,
 617                                     const char *filename)
 618 {
 619         errno = ENOSYS;
 620         return NULL;
 621 }
 622
 623 static NTSTATUS skel_brl_lock_windows(struct vfs_handle_struct *handle,
 624                                       struct byte_range_lock *br_lck,
 625                                       struct lock_struct *plock,
 626                                       bool blocking_lock)
 627 {
 628         return NT_STATUS_NOT_IMPLEMENTED;
 629 }
 630
 631 static bool skel_brl_unlock_windows(struct vfs_handle_struct *handle,
 632                                     struct messaging_context *msg_ctx,
 633                                     struct byte_range_lock *br_lck,
 634                                     const struct lock_struct *plock)
 635 {
 636         errno = ENOSYS;
 637         return false;
 638 }
 639
 640 static bool skel_brl_cancel_windows(struct vfs_handle_struct *handle,
 641                                     struct byte_range_lock *br_lck,
 642                                     struct lock_struct *plock)
 643 {
 644         errno = ENOSYS;
 645         return false;
 646 }
 647
 648 static bool skel_strict_lock(struct vfs_handle_struct *handle,
 649                              struct files_struct *fsp,
 650                              struct lock_struct *plock)
 651 {
 652         errno = ENOSYS;
 653         return false;
 654 }
 655
 656 static void skel_strict_unlock(struct vfs_handle_struct *handle,
 657                                struct files_struct *fsp,
 658                                struct lock_struct *plock)
 659 {
 660         ;
 661 }
 662
 663 static NTSTATUS skel_translate_name(struct vfs_handle_struct *handle,
 664                                     const char *mapped_name,
 665                                     enum vfs_translate_direction direction,
 666                                     TALLOC_CTX *mem_ctx, char **pmapped_name)
 667 {
 668         return NT_STATUS_NOT_IMPLEMENTED;
 669 }
 670
 671 static NTSTATUS skel_fsctl(struct vfs_handle_struct *handle,
 672                            struct files_struct *fsp,
 673                            TALLOC_CTX *ctx,
 674                            uint32_t function,
 675                            uint16_t req_flags,  /* Needed for UNICODE ... */
 676                            const uint8_t *_in_data,
 677                            uint32_t in_len,
 678                            uint8_t **_out_data,
 679                            uint32_t max_out_len, uint32_t *out_len)
 680 {
 681         return NT_STATUS_NOT_IMPLEMENTED;
 682 }
 683
 684 static NTSTATUS skel_readdir_attr(struct vfs_handle_struct *handle,
 685                                   const struct smb_filename *fname,
 686                                   TALLOC_CTX *mem_ctx,
 687                                   struct readdir_attr_data **pattr_data)
 688 {
 689         return NT_STATUS_NOT_IMPLEMENTED;
 690 }
 691
 692 static NTSTATUS skel_get_dos_attributes(struct vfs_handle_struct *handle,
 693                                 struct smb_filename *smb_fname,
 694                                 uint32_t *dosmode)
 695 {
 696         return NT_STATUS_NOT_IMPLEMENTED;
 697 }
 698
 699 static NTSTATUS skel_fget_dos_attributes(struct vfs_handle_struct *handle,
 700                                 struct files_struct *fsp,
 701                                 uint32_t *dosmode)
 702 {
 703         return NT_STATUS_NOT_IMPLEMENTED;
 704 }
 705
 706 static NTSTATUS skel_set_dos_attributes(struct vfs_handle_struct *handle,
 707                                 const struct smb_filename *smb_fname,
 708                                 uint32_t dosmode)
 709 {
 710         return NT_STATUS_NOT_IMPLEMENTED;
 711 }
 712
 713 static NTSTATUS skel_fset_dos_attributes(struct vfs_handle_struct *handle,
 714                                 struct files_struct *fsp,
 715                                 uint32_t dosmode)
 716 {
 717         return NT_STATUS_NOT_IMPLEMENTED;
 718 }
 719
 720 static NTSTATUS skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 721                                  uint32_t security_info,
 722                                  TALLOC_CTX *mem_ctx,
 723                                  struct security_descriptor **ppdesc)
 724 {
 725         return NT_STATUS_NOT_IMPLEMENTED;
 726 }
 727
 728 static NTSTATUS skel_get_nt_acl(vfs_handle_struct *handle,
 729                                 const struct smb_filename *smb_fname,
 730                                 uint32_t security_info,
 731                                 TALLOC_CTX *mem_ctx,
 732                                 struct security_descriptor **ppdesc)
 733 {
 734         return NT_STATUS_NOT_IMPLEMENTED;
 735 }
 736
 737 static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 738                                  uint32_t security_info_sent,
 739                                  const struct security_descriptor *psd)
 740 {
 741         return NT_STATUS_NOT_IMPLEMENTED;
 742 }
 743
 744 static int skel_chmod_acl(vfs_handle_struct *handle,
 745                         const struct smb_filename *smb_fname,
 746                         mode_t mode)
 747 {
 748         errno = ENOSYS;
 749         return -1;
 750 }
 751
 752 static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp,
 753                            mode_t mode)
 754 {
 755         errno = ENOSYS;
 756         return -1;
 757 }
 758
 759 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,
 760                                        const struct smb_filename *smb_fname,
 761                                        SMB_ACL_TYPE_T type,
 762                                        TALLOC_CTX *mem_ctx)
 763 {
 764         errno = ENOSYS;
 765         return (SMB_ACL_T) NULL;
 766 }
 767
 768 static SMB_ACL_T skel_sys_acl_get_fd(vfs_handle_struct *handle,
 769                                      files_struct *fsp, TALLOC_CTX *mem_ctx)
 770 {
 771         errno = ENOSYS;
 772         return (SMB_ACL_T) NULL;
 773 }
 774
 775 static int skel_sys_acl_blob_get_file(vfs_handle_struct *handle,
 776                                 const struct smb_filename *smb_fname,
 777                                 TALLOC_CTX *mem_ctx,
 778                                 char **blob_description,
 779                                 DATA_BLOB *blob)
 780 {
 781         errno = ENOSYS;
 782         return -1;
 783 }
 784
 785 static int skel_sys_acl_blob_get_fd(vfs_handle_struct *handle,
 786                                     files_struct *fsp, TALLOC_CTX *mem_ctx,
 787                                     char **blob_description, DATA_BLOB *blob)
 788 {
 789         errno = ENOSYS;
 790         return -1;
 791 }
 792
 793 static int skel_sys_acl_set_file(vfs_handle_struct *handle,
 794                                 const struct smb_filename *smb_fname,
 795                                 SMB_ACL_TYPE_T acltype,
 796                                 SMB_ACL_T theacl)
 797 {
 798         errno = ENOSYS;
 799         return -1;
 800 }
 801
 802 static int skel_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp,
 803                                SMB_ACL_T theacl)
 804 {
 805         errno = ENOSYS;
 806         return -1;
 807 }
 808
 809 static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle,
 810                                         const struct smb_filename *smb_fname)
 811 {
 812         errno = ENOSYS;
 813         return -1;
 814 }
 815
 816 static ssize_t skel_getxattr(vfs_handle_struct *handle,
 817                                 const struct smb_filename *smb_fname,
 818                                 const char *name,
 819                                 void *value,
 820                                 size_t size)
 821 {
 822         errno = ENOSYS;
 823         return -1;
 824 }
 825
 826 static ssize_t skel_fgetxattr(vfs_handle_struct *handle,
 827                               struct files_struct *fsp, const char *name,
 828                               void *value, size_t size)
 829 {
 830         errno = ENOSYS;
 831         return -1;
 832 }
 833
 834 static ssize_t skel_listxattr(vfs_handle_struct *handle,
 835                                 const struct smb_filename *smb_fname,
 836                                 char *list,
 837                                 size_t size)
 838 {
 839         errno = ENOSYS;
 840         return -1;
 841 }
 842
 843 static ssize_t skel_flistxattr(vfs_handle_struct *handle,
 844                                struct files_struct *fsp, char *list,
 845                                size_t size)
 846 {
 847         errno = ENOSYS;
 848         return -1;
 849 }
 850
 851 static int skel_removexattr(vfs_handle_struct *handle,
 852                         const struct smb_filename *smb_fname,
 853                         const char *name)
 854 {
 855         errno = ENOSYS;
 856         return -1;
 857 }
 858
 859 static int skel_fremovexattr(vfs_handle_struct *handle,
 860                              struct files_struct *fsp, const char *name)
 861 {
 862         errno = ENOSYS;
 863         return -1;
 864         return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, name);
 865 }
 866
 867 static int skel_setxattr(vfs_handle_struct *handle,
 868                         const struct smb_filename *smb_fname,
 869                         const char *name,
 870                         const void *value,
 871                         size_t size,
 872                         int flags)
 873 {
 874         errno = ENOSYS;
 875         return -1;
 876 }
 877
 878 static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,
 879                           const char *name, const void *value, size_t size,
 880                           int flags)
 881 {
 882         errno = ENOSYS;
 883         return -1;
 884 }
 885
 886 static bool skel_aio_force(struct vfs_handle_struct *handle,
 887                            struct files_struct *fsp)
 888 {
 889         errno = ENOSYS;
 890         return false;
 891 }
 892
 893 /* VFS operations structure */
 894
 895 struct vfs_fn_pointers skel_opaque_fns = {
 896         /* Disk operations */
 897
 898         .connect_fn = skel_connect,
 899         .disconnect_fn = skel_disconnect,
 900         .disk_free_fn = skel_disk_free,
 901         .get_quota_fn = skel_get_quota,
 902         .set_quota_fn = skel_set_quota,
 903         .get_shadow_copy_data_fn = skel_get_shadow_copy_data,
 904         .statvfs_fn = skel_statvfs,
 905         .fs_capabilities_fn = skel_fs_capabilities,
 906         .get_dfs_referrals_fn = skel_get_dfs_referrals,
 907         .snap_check_path_fn = skel_snap_check_path,
 908         .snap_create_fn = skel_snap_create,
 909         .snap_delete_fn = skel_snap_delete,
 910
 911         /* Directory operations */
 912
 913         .opendir_fn = skel_opendir,
 914         .fdopendir_fn = skel_fdopendir,
 915         .readdir_fn = skel_readdir,
 916         .seekdir_fn = skel_seekdir,
 917         .telldir_fn = skel_telldir,
 918         .rewind_dir_fn = skel_rewind_dir,
 919         .mkdir_fn = skel_mkdir,
 920         .rmdir_fn = skel_rmdir,
 921         .closedir_fn = skel_closedir,
 922         .init_search_op_fn = skel_init_search_op,
 923
 924         /* File operations */
 925
 926         .open_fn = skel_open,
 927         .create_file_fn = skel_create_file,
 928         .close_fn = skel_close_fn,
 929         .read_fn = skel_vfs_read,
 930         .pread_fn = skel_pread,
 931         .pread_send_fn = skel_pread_send,
 932         .pread_recv_fn = skel_pread_recv,
 933         .write_fn = skel_write,
 934         .pwrite_fn = skel_pwrite,
 935         .pwrite_send_fn = skel_pwrite_send,
 936         .pwrite_recv_fn = skel_pwrite_recv,
 937         .lseek_fn = skel_lseek,
 938         .sendfile_fn = skel_sendfile,
 939         .recvfile_fn = skel_recvfile,
 940         .rename_fn = skel_rename,
 941         .fsync_fn = skel_fsync,
 942         .fsync_send_fn = skel_fsync_send,
 943         .fsync_recv_fn = skel_fsync_recv,
 944         .stat_fn = skel_stat,
 945         .fstat_fn = skel_fstat,
 946         .lstat_fn = skel_lstat,
 947         .get_alloc_size_fn = skel_get_alloc_size,
 948         .unlink_fn = skel_unlink,
 949         .chmod_fn = skel_chmod,
 950         .fchmod_fn = skel_fchmod,
 951         .chown_fn = skel_chown,
 952         .fchown_fn = skel_fchown,
 953         .lchown_fn = skel_lchown,
 954         .chdir_fn = skel_chdir,
 955         .getwd_fn = skel_getwd,
 956         .ntimes_fn = skel_ntimes,
 957         .ftruncate_fn = skel_ftruncate,
 958         .fallocate_fn = skel_fallocate,
 959         .lock_fn = skel_lock,
 960         .kernel_flock_fn = skel_kernel_flock,
 961         .linux_setlease_fn = skel_linux_setlease,
 962         .getlock_fn = skel_getlock,
 963         .symlink_fn = skel_symlink,
 964         .readlink_fn = skel_vfs_readlink,
 965         .link_fn = skel_link,
 966         .mknod_fn = skel_mknod,
 967         .realpath_fn = skel_realpath,
 968         .chflags_fn = skel_chflags,
 969         .file_id_create_fn = skel_file_id_create,
 970         .copy_chunk_send_fn = skel_copy_chunk_send,
 971         .copy_chunk_recv_fn = skel_copy_chunk_recv,
 972         .get_compression_fn = skel_get_compression,
 973         .set_compression_fn = skel_set_compression,
 974
 975         .streaminfo_fn = skel_streaminfo,
 976         .get_real_filename_fn = skel_get_real_filename,
 977         .connectpath_fn = skel_connectpath,
 978         .brl_lock_windows_fn = skel_brl_lock_windows,
 979         .brl_unlock_windows_fn = skel_brl_unlock_windows,
 980         .brl_cancel_windows_fn = skel_brl_cancel_windows,
 981         .strict_lock_fn = skel_strict_lock,
 982         .strict_unlock_fn = skel_strict_unlock,
 983         .translate_name_fn = skel_translate_name,
 984         .fsctl_fn = skel_fsctl,
 985         .readdir_attr_fn = skel_readdir_attr,
 986
 987         /* DOS attributes. */
 988         .get_dos_attributes_fn = skel_get_dos_attributes,
 989         .fget_dos_attributes_fn = skel_fget_dos_attributes,
 990         .set_dos_attributes_fn = skel_set_dos_attributes,
 991         .fset_dos_attributes_fn = skel_fset_dos_attributes,
 992
 993         /* NT ACL operations. */
 994
 995         .fget_nt_acl_fn = skel_fget_nt_acl,
 996         .get_nt_acl_fn = skel_get_nt_acl,
 997         .fset_nt_acl_fn = skel_fset_nt_acl,
 998
 999         /* POSIX ACL operations. */
1000
1001         .chmod_acl_fn = skel_chmod_acl,
1002         .fchmod_acl_fn = skel_fchmod_acl,
1003
1004         .sys_acl_get_file_fn = skel_sys_acl_get_file,
1005         .sys_acl_get_fd_fn = skel_sys_acl_get_fd,
1006         .sys_acl_blob_get_file_fn = skel_sys_acl_blob_get_file,
1007         .sys_acl_blob_get_fd_fn = skel_sys_acl_blob_get_fd,
1008         .sys_acl_set_file_fn = skel_sys_acl_set_file,
1009         .sys_acl_set_fd_fn = skel_sys_acl_set_fd,
1010         .sys_acl_delete_def_file_fn = skel_sys_acl_delete_def_file,
1011
1012         /* EA operations. */
1013         .getxattr_fn = skel_getxattr,
1014         .fgetxattr_fn = skel_fgetxattr,
1015         .listxattr_fn = skel_listxattr,
1016         .flistxattr_fn = skel_flistxattr,
1017         .removexattr_fn = skel_removexattr,
1018         .fremovexattr_fn = skel_fremovexattr,
1019         .setxattr_fn = skel_setxattr,
1020         .fsetxattr_fn = skel_fsetxattr,
1021
1022         /* aio operations */
1023         .aio_force_fn = skel_aio_force,
1024 };
1025
1026 static_decl_vfs;
1027 NTSTATUS vfs_skel_opaque_init(TALLOC_CTX *ctx)
1028 {
1029         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_opaque",
1030                                 &skel_opaque_fns);
1031 }