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_offload_read_state {
 541         bool dummy;
 542 };
 543
 544 static struct tevent_req *skel_offload_read_send(
 545         TALLOC_CTX *mem_ctx,
 546         struct tevent_context *ev,
 547         struct vfs_handle_struct *handle,
 548         struct files_struct *fsp,
 549         uint32_t fsctl,
 550         uint32_t ttl,
 551         off_t offset,
 552         size_t to_copy)
 553 {
 554         struct tevent_req *req = NULL;
 555         struct skel_offload_read_state *state = NULL;
 556
 557         req = tevent_req_create(mem_ctx, &state, struct skel_offload_read_state);
 558         if (req == NULL) {
 559                 return NULL;
 560         }
 561
 562         tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
 563         return tevent_req_post(req, ev);
 564 }
 565
 566 static NTSTATUS skel_offload_read_recv(struct tevent_req *req,
 567                                        struct vfs_handle_struct *handle,
 568                                        TALLOC_CTX *mem_ctx,
 569                                        DATA_BLOB *_token_blob)
 570 {
 571         NTSTATUS status;
 572
 573         if (tevent_req_is_nterror(req, &status)) {
 574                 tevent_req_received(req);
 575                 return status;
 576         }
 577         tevent_req_received(req);
 578
 579         return NT_STATUS_OK;
 580 }
 581
 582 struct skel_cc_state {
 583         uint64_t unused;
 584 };
 585 static struct tevent_req *skel_offload_write_send(struct vfs_handle_struct *handle,
 586                                                TALLOC_CTX *mem_ctx,
 587                                                struct tevent_context *ev,
 588                                                uint32_t fsctl,
 589                                                DATA_BLOB *token,
 590                                                off_t transfer_offset,
 591                                                struct files_struct *dest_fsp,
 592                                                off_t dest_off,
 593                                                off_t num)
 594 {
 595         struct tevent_req *req;
 596         struct skel_cc_state *cc_state;
 597
 598         req = tevent_req_create(mem_ctx, &cc_state, struct skel_cc_state);
 599         if (req == NULL) {
 600                 return NULL;
 601         }
 602
 603         tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
 604         return tevent_req_post(req, ev);
 605 }
 606
 607 static NTSTATUS skel_offload_write_recv(struct vfs_handle_struct *handle,
 608                                      struct tevent_req *req,
 609                                      off_t *copied)
 610 {
 611         NTSTATUS status;
 612
 613         if (tevent_req_is_nterror(req, &status)) {
 614                 tevent_req_received(req);
 615                 return status;
 616         }
 617         tevent_req_received(req);
 618
 619         return NT_STATUS_OK;
 620 }
 621
 622 static NTSTATUS skel_get_compression(struct vfs_handle_struct *handle,
 623                                      TALLOC_CTX *mem_ctx,
 624                                      struct files_struct *fsp,
 625                                      struct smb_filename *smb_fname,
 626                                      uint16_t *_compression_fmt)
 627 {
 628         return NT_STATUS_INVALID_DEVICE_REQUEST;
 629 }
 630
 631 static NTSTATUS skel_set_compression(struct vfs_handle_struct *handle,
 632                                      TALLOC_CTX *mem_ctx,
 633                                      struct files_struct *fsp,
 634                                      uint16_t compression_fmt)
 635 {
 636         return NT_STATUS_INVALID_DEVICE_REQUEST;
 637 }
 638
 639 static NTSTATUS skel_streaminfo(struct vfs_handle_struct *handle,
 640                                 struct files_struct *fsp,
 641                                 const struct smb_filename *smb_fname,
 642                                 TALLOC_CTX *mem_ctx,
 643                                 unsigned int *num_streams,
 644                                 struct stream_struct **streams)
 645 {
 646         return NT_STATUS_NOT_IMPLEMENTED;
 647 }
 648
 649 static int skel_get_real_filename(struct vfs_handle_struct *handle,
 650                                   const char *path,
 651                                   const char *name,
 652                                   TALLOC_CTX *mem_ctx, char **found_name)
 653 {
 654         errno = ENOSYS;
 655         return -1;
 656 }
 657
 658 static const char *skel_connectpath(struct vfs_handle_struct *handle,
 659                                 const struct smb_filename *smb_fname)
 660 {
 661         errno = ENOSYS;
 662         return NULL;
 663 }
 664
 665 static NTSTATUS skel_brl_lock_windows(struct vfs_handle_struct *handle,
 666                                       struct byte_range_lock *br_lck,
 667                                       struct lock_struct *plock,
 668                                       bool blocking_lock)
 669 {
 670         return NT_STATUS_NOT_IMPLEMENTED;
 671 }
 672
 673 static bool skel_brl_unlock_windows(struct vfs_handle_struct *handle,
 674                                     struct messaging_context *msg_ctx,
 675                                     struct byte_range_lock *br_lck,
 676                                     const struct lock_struct *plock)
 677 {
 678         errno = ENOSYS;
 679         return false;
 680 }
 681
 682 static bool skel_brl_cancel_windows(struct vfs_handle_struct *handle,
 683                                     struct byte_range_lock *br_lck,
 684                                     struct lock_struct *plock)
 685 {
 686         errno = ENOSYS;
 687         return false;
 688 }
 689
 690 static bool skel_strict_lock_check(struct vfs_handle_struct *handle,
 691                                    struct files_struct *fsp,
 692                                    struct lock_struct *plock)
 693 {
 694         errno = ENOSYS;
 695         return false;
 696 }
 697
 698 static NTSTATUS skel_translate_name(struct vfs_handle_struct *handle,
 699                                     const char *mapped_name,
 700                                     enum vfs_translate_direction direction,
 701                                     TALLOC_CTX *mem_ctx, char **pmapped_name)
 702 {
 703         return NT_STATUS_NOT_IMPLEMENTED;
 704 }
 705
 706 static NTSTATUS skel_fsctl(struct vfs_handle_struct *handle,
 707                            struct files_struct *fsp,
 708                            TALLOC_CTX *ctx,
 709                            uint32_t function,
 710                            uint16_t req_flags,  /* Needed for UNICODE ... */
 711                            const uint8_t *_in_data,
 712                            uint32_t in_len,
 713                            uint8_t **_out_data,
 714                            uint32_t max_out_len, uint32_t *out_len)
 715 {
 716         return NT_STATUS_NOT_IMPLEMENTED;
 717 }
 718
 719 static NTSTATUS skel_readdir_attr(struct vfs_handle_struct *handle,
 720                                   const struct smb_filename *fname,
 721                                   TALLOC_CTX *mem_ctx,
 722                                   struct readdir_attr_data **pattr_data)
 723 {
 724         return NT_STATUS_NOT_IMPLEMENTED;
 725 }
 726
 727 static NTSTATUS skel_get_dos_attributes(struct vfs_handle_struct *handle,
 728                                 struct smb_filename *smb_fname,
 729                                 uint32_t *dosmode)
 730 {
 731         return NT_STATUS_NOT_IMPLEMENTED;
 732 }
 733
 734 static NTSTATUS skel_fget_dos_attributes(struct vfs_handle_struct *handle,
 735                                 struct files_struct *fsp,
 736                                 uint32_t *dosmode)
 737 {
 738         return NT_STATUS_NOT_IMPLEMENTED;
 739 }
 740
 741 static NTSTATUS skel_set_dos_attributes(struct vfs_handle_struct *handle,
 742                                 const struct smb_filename *smb_fname,
 743                                 uint32_t dosmode)
 744 {
 745         return NT_STATUS_NOT_IMPLEMENTED;
 746 }
 747
 748 static NTSTATUS skel_fset_dos_attributes(struct vfs_handle_struct *handle,
 749                                 struct files_struct *fsp,
 750                                 uint32_t dosmode)
 751 {
 752         return NT_STATUS_NOT_IMPLEMENTED;
 753 }
 754
 755 static NTSTATUS skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 756                                  uint32_t security_info,
 757                                  TALLOC_CTX *mem_ctx,
 758                                  struct security_descriptor **ppdesc)
 759 {
 760         return NT_STATUS_NOT_IMPLEMENTED;
 761 }
 762
 763 static NTSTATUS skel_get_nt_acl(vfs_handle_struct *handle,
 764                                 const struct smb_filename *smb_fname,
 765                                 uint32_t security_info,
 766                                 TALLOC_CTX *mem_ctx,
 767                                 struct security_descriptor **ppdesc)
 768 {
 769         return NT_STATUS_NOT_IMPLEMENTED;
 770 }
 771
 772 static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 773                                  uint32_t security_info_sent,
 774                                  const struct security_descriptor *psd)
 775 {
 776         return NT_STATUS_NOT_IMPLEMENTED;
 777 }
 778
 779 static int skel_chmod_acl(vfs_handle_struct *handle,
 780                         const struct smb_filename *smb_fname,
 781                         mode_t mode)
 782 {
 783         errno = ENOSYS;
 784         return -1;
 785 }
 786
 787 static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp,
 788                            mode_t mode)
 789 {
 790         errno = ENOSYS;
 791         return -1;
 792 }
 793
 794 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,
 795                                        const struct smb_filename *smb_fname,
 796                                        SMB_ACL_TYPE_T type,
 797                                        TALLOC_CTX *mem_ctx)
 798 {
 799         errno = ENOSYS;
 800         return (SMB_ACL_T) NULL;
 801 }
 802
 803 static SMB_ACL_T skel_sys_acl_get_fd(vfs_handle_struct *handle,
 804                                      files_struct *fsp, TALLOC_CTX *mem_ctx)
 805 {
 806         errno = ENOSYS;
 807         return (SMB_ACL_T) NULL;
 808 }
 809
 810 static int skel_sys_acl_blob_get_file(vfs_handle_struct *handle,
 811                                 const struct smb_filename *smb_fname,
 812                                 TALLOC_CTX *mem_ctx,
 813                                 char **blob_description,
 814                                 DATA_BLOB *blob)
 815 {
 816         errno = ENOSYS;
 817         return -1;
 818 }
 819
 820 static int skel_sys_acl_blob_get_fd(vfs_handle_struct *handle,
 821                                     files_struct *fsp, TALLOC_CTX *mem_ctx,
 822                                     char **blob_description, DATA_BLOB *blob)
 823 {
 824         errno = ENOSYS;
 825         return -1;
 826 }
 827
 828 static int skel_sys_acl_set_file(vfs_handle_struct *handle,
 829                                 const struct smb_filename *smb_fname,
 830                                 SMB_ACL_TYPE_T acltype,
 831                                 SMB_ACL_T theacl)
 832 {
 833         errno = ENOSYS;
 834         return -1;
 835 }
 836
 837 static int skel_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp,
 838                                SMB_ACL_T theacl)
 839 {
 840         errno = ENOSYS;
 841         return -1;
 842 }
 843
 844 static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle,
 845                                         const struct smb_filename *smb_fname)
 846 {
 847         errno = ENOSYS;
 848         return -1;
 849 }
 850
 851 static ssize_t skel_getxattr(vfs_handle_struct *handle,
 852                                 const struct smb_filename *smb_fname,
 853                                 const char *name,
 854                                 void *value,
 855                                 size_t size)
 856 {
 857         errno = ENOSYS;
 858         return -1;
 859 }
 860
 861 static ssize_t skel_fgetxattr(vfs_handle_struct *handle,
 862                               struct files_struct *fsp, const char *name,
 863                               void *value, size_t size)
 864 {
 865         errno = ENOSYS;
 866         return -1;
 867 }
 868
 869 static ssize_t skel_listxattr(vfs_handle_struct *handle,
 870                                 const struct smb_filename *smb_fname,
 871                                 char *list,
 872                                 size_t size)
 873 {
 874         errno = ENOSYS;
 875         return -1;
 876 }
 877
 878 static ssize_t skel_flistxattr(vfs_handle_struct *handle,
 879                                struct files_struct *fsp, char *list,
 880                                size_t size)
 881 {
 882         errno = ENOSYS;
 883         return -1;
 884 }
 885
 886 static int skel_removexattr(vfs_handle_struct *handle,
 887                         const struct smb_filename *smb_fname,
 888                         const char *name)
 889 {
 890         errno = ENOSYS;
 891         return -1;
 892 }
 893
 894 static int skel_fremovexattr(vfs_handle_struct *handle,
 895                              struct files_struct *fsp, const char *name)
 896 {
 897         errno = ENOSYS;
 898         return -1;
 899         return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, name);
 900 }
 901
 902 static int skel_setxattr(vfs_handle_struct *handle,
 903                         const struct smb_filename *smb_fname,
 904                         const char *name,
 905                         const void *value,
 906                         size_t size,
 907                         int flags)
 908 {
 909         errno = ENOSYS;
 910         return -1;
 911 }
 912
 913 static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,
 914                           const char *name, const void *value, size_t size,
 915                           int flags)
 916 {
 917         errno = ENOSYS;
 918         return -1;
 919 }
 920
 921 static bool skel_aio_force(struct vfs_handle_struct *handle,
 922                            struct files_struct *fsp)
 923 {
 924         errno = ENOSYS;
 925         return false;
 926 }
 927
 928 /* VFS operations structure */
 929
 930 struct vfs_fn_pointers skel_opaque_fns = {
 931         /* Disk operations */
 932
 933         .connect_fn = skel_connect,
 934         .disconnect_fn = skel_disconnect,
 935         .disk_free_fn = skel_disk_free,
 936         .get_quota_fn = skel_get_quota,
 937         .set_quota_fn = skel_set_quota,
 938         .get_shadow_copy_data_fn = skel_get_shadow_copy_data,
 939         .statvfs_fn = skel_statvfs,
 940         .fs_capabilities_fn = skel_fs_capabilities,
 941         .get_dfs_referrals_fn = skel_get_dfs_referrals,
 942         .snap_check_path_fn = skel_snap_check_path,
 943         .snap_create_fn = skel_snap_create,
 944         .snap_delete_fn = skel_snap_delete,
 945
 946         /* Directory operations */
 947
 948         .opendir_fn = skel_opendir,
 949         .fdopendir_fn = skel_fdopendir,
 950         .readdir_fn = skel_readdir,
 951         .seekdir_fn = skel_seekdir,
 952         .telldir_fn = skel_telldir,
 953         .rewind_dir_fn = skel_rewind_dir,
 954         .mkdir_fn = skel_mkdir,
 955         .rmdir_fn = skel_rmdir,
 956         .closedir_fn = skel_closedir,
 957         .init_search_op_fn = skel_init_search_op,
 958
 959         /* File operations */
 960
 961         .open_fn = skel_open,
 962         .create_file_fn = skel_create_file,
 963         .close_fn = skel_close_fn,
 964         .read_fn = skel_vfs_read,
 965         .pread_fn = skel_pread,
 966         .pread_send_fn = skel_pread_send,
 967         .pread_recv_fn = skel_pread_recv,
 968         .write_fn = skel_write,
 969         .pwrite_fn = skel_pwrite,
 970         .pwrite_send_fn = skel_pwrite_send,
 971         .pwrite_recv_fn = skel_pwrite_recv,
 972         .lseek_fn = skel_lseek,
 973         .sendfile_fn = skel_sendfile,
 974         .recvfile_fn = skel_recvfile,
 975         .rename_fn = skel_rename,
 976         .fsync_fn = skel_fsync,
 977         .fsync_send_fn = skel_fsync_send,
 978         .fsync_recv_fn = skel_fsync_recv,
 979         .stat_fn = skel_stat,
 980         .fstat_fn = skel_fstat,
 981         .lstat_fn = skel_lstat,
 982         .get_alloc_size_fn = skel_get_alloc_size,
 983         .unlink_fn = skel_unlink,
 984         .chmod_fn = skel_chmod,
 985         .fchmod_fn = skel_fchmod,
 986         .chown_fn = skel_chown,
 987         .fchown_fn = skel_fchown,
 988         .lchown_fn = skel_lchown,
 989         .chdir_fn = skel_chdir,
 990         .getwd_fn = skel_getwd,
 991         .ntimes_fn = skel_ntimes,
 992         .ftruncate_fn = skel_ftruncate,
 993         .fallocate_fn = skel_fallocate,
 994         .lock_fn = skel_lock,
 995         .kernel_flock_fn = skel_kernel_flock,
 996         .linux_setlease_fn = skel_linux_setlease,
 997         .getlock_fn = skel_getlock,
 998         .symlink_fn = skel_symlink,
 999         .readlink_fn = skel_vfs_readlink,
1000         .link_fn = skel_link,
1001         .mknod_fn = skel_mknod,
1002         .realpath_fn = skel_realpath,
1003         .chflags_fn = skel_chflags,
1004         .file_id_create_fn = skel_file_id_create,
1005         .offload_read_send_fn = skel_offload_read_send,
1006         .offload_read_recv_fn = skel_offload_read_recv,
1007         .offload_write_send_fn = skel_offload_write_send,
1008         .offload_write_recv_fn = skel_offload_write_recv,
1009         .get_compression_fn = skel_get_compression,
1010         .set_compression_fn = skel_set_compression,
1011
1012         .streaminfo_fn = skel_streaminfo,
1013         .get_real_filename_fn = skel_get_real_filename,
1014         .connectpath_fn = skel_connectpath,
1015         .brl_lock_windows_fn = skel_brl_lock_windows,
1016         .brl_unlock_windows_fn = skel_brl_unlock_windows,
1017         .brl_cancel_windows_fn = skel_brl_cancel_windows,
1018         .strict_lock_check_fn = skel_strict_lock_check,
1019         .translate_name_fn = skel_translate_name,
1020         .fsctl_fn = skel_fsctl,
1021         .readdir_attr_fn = skel_readdir_attr,
1022
1023         /* DOS attributes. */
1024         .get_dos_attributes_fn = skel_get_dos_attributes,
1025         .fget_dos_attributes_fn = skel_fget_dos_attributes,
1026         .set_dos_attributes_fn = skel_set_dos_attributes,
1027         .fset_dos_attributes_fn = skel_fset_dos_attributes,
1028
1029         /* NT ACL operations. */
1030
1031         .fget_nt_acl_fn = skel_fget_nt_acl,
1032         .get_nt_acl_fn = skel_get_nt_acl,
1033         .fset_nt_acl_fn = skel_fset_nt_acl,
1034
1035         /* POSIX ACL operations. */
1036
1037         .chmod_acl_fn = skel_chmod_acl,
1038         .fchmod_acl_fn = skel_fchmod_acl,
1039
1040         .sys_acl_get_file_fn = skel_sys_acl_get_file,
1041         .sys_acl_get_fd_fn = skel_sys_acl_get_fd,
1042         .sys_acl_blob_get_file_fn = skel_sys_acl_blob_get_file,
1043         .sys_acl_blob_get_fd_fn = skel_sys_acl_blob_get_fd,
1044         .sys_acl_set_file_fn = skel_sys_acl_set_file,
1045         .sys_acl_set_fd_fn = skel_sys_acl_set_fd,
1046         .sys_acl_delete_def_file_fn = skel_sys_acl_delete_def_file,
1047
1048         /* EA operations. */
1049         .getxattr_fn = skel_getxattr,
1050         .fgetxattr_fn = skel_fgetxattr,
1051         .listxattr_fn = skel_listxattr,
1052         .flistxattr_fn = skel_flistxattr,
1053         .removexattr_fn = skel_removexattr,
1054         .fremovexattr_fn = skel_fremovexattr,
1055         .setxattr_fn = skel_setxattr,
1056         .fsetxattr_fn = skel_fsetxattr,
1057
1058         /* aio operations */
1059         .aio_force_fn = skel_aio_force,
1060 };
1061
1062 static_decl_vfs;
1063 NTSTATUS vfs_skel_opaque_init(TALLOC_CTX *ctx)
1064 {
1065         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_opaque",
1066                                 &skel_opaque_fns);
1067 }