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 int skel_open(vfs_handle_struct *handle, struct smb_filename *smb_fname,
 189                      files_struct *fsp, int flags, mode_t mode)
 190 {
 191         errno = ENOSYS;
 192         return -1;
 193 }
 194
 195 static NTSTATUS skel_create_file(struct vfs_handle_struct *handle,
 196                                  struct smb_request *req,
 197                                  uint16_t root_dir_fid,
 198                                  struct smb_filename *smb_fname,
 199                                  uint32_t access_mask,
 200                                  uint32_t share_access,
 201                                  uint32_t create_disposition,
 202                                  uint32_t create_options,
 203                                  uint32_t file_attributes,
 204                                  uint32_t oplock_request,
 205                                  struct smb2_lease *lease,
 206                                  uint64_t allocation_size,
 207                                  uint32_t private_flags,
 208                                  struct security_descriptor *sd,
 209                                  struct ea_list *ea_list,
 210                                  files_struct **result, int *pinfo,
 211                                  const struct smb2_create_blobs *in_context_blobs,
 212                                  struct smb2_create_blobs *out_context_blobs)
 213 {
 214         return NT_STATUS_NOT_IMPLEMENTED;
 215 }
 216
 217 static int skel_close_fn(vfs_handle_struct *handle, files_struct *fsp)
 218 {
 219         errno = ENOSYS;
 220         return -1;
 221 }
 222
 223 static ssize_t skel_vfs_read(vfs_handle_struct *handle, files_struct *fsp,
 224                              void *data, size_t n)
 225 {
 226         errno = ENOSYS;
 227         return -1;
 228 }
 229
 230 static ssize_t skel_pread(vfs_handle_struct *handle, files_struct *fsp,
 231                           void *data, size_t n, off_t offset)
 232 {
 233         errno = ENOSYS;
 234         return -1;
 235 }
 236
 237 static struct tevent_req *skel_pread_send(struct vfs_handle_struct *handle,
 238                                           TALLOC_CTX *mem_ctx,
 239                                           struct tevent_context *ev,
 240                                           struct files_struct *fsp,
 241                                           void *data, size_t n, off_t offset)
 242 {
 243         return NULL;
 244 }
 245
 246 static ssize_t skel_pread_recv(struct tevent_req *req,
 247                                struct vfs_aio_state *vfs_aio_state)
 248 {
 249         vfs_aio_state->error = ENOSYS;
 250         return -1;
 251 }
 252
 253 static ssize_t skel_write(vfs_handle_struct *handle, files_struct *fsp,
 254                           const void *data, size_t n)
 255 {
 256         errno = ENOSYS;
 257         return -1;
 258 }
 259
 260 static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp,
 261                            const void *data, size_t n, off_t offset)
 262 {
 263         errno = ENOSYS;
 264         return -1;
 265 }
 266
 267 static struct tevent_req *skel_pwrite_send(struct vfs_handle_struct *handle,
 268                                            TALLOC_CTX *mem_ctx,
 269                                            struct tevent_context *ev,
 270                                            struct files_struct *fsp,
 271                                            const void *data,
 272                                            size_t n, off_t offset)
 273 {
 274         return NULL;
 275 }
 276
 277 static ssize_t skel_pwrite_recv(struct tevent_req *req,
 278                                 struct vfs_aio_state *vfs_aio_state)
 279 {
 280         vfs_aio_state->error = ENOSYS;
 281         return -1;
 282 }
 283
 284 static off_t skel_lseek(vfs_handle_struct *handle, files_struct *fsp,
 285                         off_t offset, int whence)
 286 {
 287         errno = ENOSYS;
 288         return (off_t) - 1;
 289 }
 290
 291 static ssize_t skel_sendfile(vfs_handle_struct *handle, int tofd,
 292                              files_struct *fromfsp, const DATA_BLOB *hdr,
 293                              off_t offset, size_t n)
 294 {
 295         errno = ENOSYS;
 296         return -1;
 297 }
 298
 299 static ssize_t skel_recvfile(vfs_handle_struct *handle, int fromfd,
 300                              files_struct *tofsp, off_t offset, size_t n)
 301 {
 302         errno = ENOSYS;
 303         return -1;
 304 }
 305
 306 static int skel_rename(vfs_handle_struct *handle,
 307                        const struct smb_filename *smb_fname_src,
 308                        const struct smb_filename *smb_fname_dst)
 309 {
 310         errno = ENOSYS;
 311         return -1;
 312 }
 313
 314 static struct tevent_req *skel_fsync_send(struct vfs_handle_struct *handle,
 315                                           TALLOC_CTX *mem_ctx,
 316                                           struct tevent_context *ev,
 317                                           struct files_struct *fsp)
 318 {
 319         return NULL;
 320 }
 321
 322 static int skel_fsync_recv(struct tevent_req *req,
 323                            struct vfs_aio_state *vfs_aio_state)
 324 {
 325         vfs_aio_state->error = ENOSYS;
 326         return -1;
 327 }
 328
 329 static int skel_stat(vfs_handle_struct *handle, struct smb_filename *smb_fname)
 330 {
 331         errno = ENOSYS;
 332         return -1;
 333 }
 334
 335 static int skel_fstat(vfs_handle_struct *handle, files_struct *fsp,
 336                       SMB_STRUCT_STAT *sbuf)
 337 {
 338         errno = ENOSYS;
 339         return -1;
 340 }
 341
 342 static int skel_lstat(vfs_handle_struct *handle,
 343                       struct smb_filename *smb_fname)
 344 {
 345         errno = ENOSYS;
 346         return -1;
 347 }
 348
 349 static uint64_t skel_get_alloc_size(struct vfs_handle_struct *handle,
 350                                     struct files_struct *fsp,
 351                                     const SMB_STRUCT_STAT *sbuf)
 352 {
 353         errno = ENOSYS;
 354         return -1;
 355 }
 356
 357 static int skel_unlink(vfs_handle_struct *handle,
 358                        const struct smb_filename *smb_fname)
 359 {
 360         errno = ENOSYS;
 361         return -1;
 362 }
 363
 364 static int skel_chmod(vfs_handle_struct *handle,
 365                         const struct smb_filename *smb_fname,
 366                         mode_t mode)
 367 {
 368         errno = ENOSYS;
 369         return -1;
 370 }
 371
 372 static int skel_fchmod(vfs_handle_struct *handle, files_struct *fsp,
 373                        mode_t mode)
 374 {
 375         errno = ENOSYS;
 376         return -1;
 377 }
 378
 379 static int skel_chown(vfs_handle_struct *handle,
 380                         const struct smb_filename *smb_fname,
 381                         uid_t uid,
 382                         gid_t gid)
 383 {
 384         errno = ENOSYS;
 385         return -1;
 386 }
 387
 388 static int skel_fchown(vfs_handle_struct *handle, files_struct *fsp,
 389                        uid_t uid, gid_t gid)
 390 {
 391         errno = ENOSYS;
 392         return -1;
 393 }
 394
 395 static int skel_lchown(vfs_handle_struct *handle,
 396                         const struct smb_filename *smb_fname,
 397                         uid_t uid,
 398                         gid_t gid)
 399 {
 400         errno = ENOSYS;
 401         return -1;
 402 }
 403
 404 static int skel_chdir(vfs_handle_struct *handle,
 405                         const struct smb_filename *smb_fname)
 406 {
 407         errno = ENOSYS;
 408         return -1;
 409 }
 410
 411 static struct smb_filename *skel_getwd(vfs_handle_struct *handle,
 412                                 TALLOC_CTX *ctx)
 413 {
 414         errno = ENOSYS;
 415         return NULL;
 416 }
 417
 418 static int skel_ntimes(vfs_handle_struct *handle,
 419                        const struct smb_filename *smb_fname,
 420                        struct smb_file_time *ft)
 421 {
 422         errno = ENOSYS;
 423         return -1;
 424 }
 425
 426 static int skel_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
 427                           off_t offset)
 428 {
 429         errno = ENOSYS;
 430         return -1;
 431 }
 432
 433 static int skel_fallocate(vfs_handle_struct *handle, files_struct *fsp,
 434                           uint32_t mode, off_t offset, off_t len)
 435 {
 436         errno = ENOSYS;
 437         return -1;
 438 }
 439
 440 static bool skel_lock(vfs_handle_struct *handle, files_struct *fsp, int op,
 441                       off_t offset, off_t count, int type)
 442 {
 443         errno = ENOSYS;
 444         return false;
 445 }
 446
 447 static int skel_kernel_flock(struct vfs_handle_struct *handle,
 448                              struct files_struct *fsp,
 449                              uint32_t share_mode, uint32_t access_mask)
 450 {
 451         errno = ENOSYS;
 452         return -1;
 453 }
 454
 455 static int skel_linux_setlease(struct vfs_handle_struct *handle,
 456                                struct files_struct *fsp, int leasetype)
 457 {
 458         errno = ENOSYS;
 459         return -1;
 460 }
 461
 462 static bool skel_getlock(vfs_handle_struct *handle, files_struct *fsp,
 463                          off_t *poffset, off_t *pcount, int *ptype,
 464                          pid_t *ppid)
 465 {
 466         errno = ENOSYS;
 467         return false;
 468 }
 469
 470 static int skel_symlink(vfs_handle_struct *handle,
 471                         const char *link_contents,
 472                         const struct smb_filename *new_smb_fname)
 473 {
 474         errno = ENOSYS;
 475         return -1;
 476 }
 477
 478 static int skel_vfs_readlink(vfs_handle_struct *handle,
 479                         const struct smb_filename *smb_fname,
 480                         char *buf,
 481                         size_t bufsiz)
 482 {
 483         errno = ENOSYS;
 484         return -1;
 485 }
 486
 487 static int skel_link(vfs_handle_struct *handle,
 488                         const struct smb_filename *old_smb_fname,
 489                         const struct smb_filename *new_smb_fname)
 490 {
 491         errno = ENOSYS;
 492         return -1;
 493 }
 494
 495 static int skel_mknod(vfs_handle_struct *handle,
 496                         const struct smb_filename *smb_fname,
 497                         mode_t mode,
 498                         SMB_DEV_T dev)
 499 {
 500         errno = ENOSYS;
 501         return -1;
 502 }
 503
 504 static struct smb_filename *skel_realpath(vfs_handle_struct *handle,
 505                         TALLOC_CTX *ctx,
 506                         const struct smb_filename *smb_fname)
 507 {
 508         errno = ENOSYS;
 509         return NULL;
 510 }
 511
 512 static int skel_chflags(vfs_handle_struct *handle,
 513                         const struct smb_filename *smb_fname,
 514                         uint flags)
 515 {
 516         errno = ENOSYS;
 517         return -1;
 518 }
 519
 520 static struct file_id skel_file_id_create(vfs_handle_struct *handle,
 521                                           const SMB_STRUCT_STAT *sbuf)
 522 {
 523         struct file_id id;
 524         ZERO_STRUCT(id);
 525         errno = ENOSYS;
 526         return id;
 527 }
 528
 529 struct skel_offload_read_state {
 530         bool dummy;
 531 };
 532
 533 static struct tevent_req *skel_offload_read_send(
 534         TALLOC_CTX *mem_ctx,
 535         struct tevent_context *ev,
 536         struct vfs_handle_struct *handle,
 537         struct files_struct *fsp,
 538         uint32_t fsctl,
 539         uint32_t ttl,
 540         off_t offset,
 541         size_t to_copy)
 542 {
 543         struct tevent_req *req = NULL;
 544         struct skel_offload_read_state *state = NULL;
 545
 546         req = tevent_req_create(mem_ctx, &state, struct skel_offload_read_state);
 547         if (req == NULL) {
 548                 return NULL;
 549         }
 550
 551         tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
 552         return tevent_req_post(req, ev);
 553 }
 554
 555 static NTSTATUS skel_offload_read_recv(struct tevent_req *req,
 556                                        struct vfs_handle_struct *handle,
 557                                        TALLOC_CTX *mem_ctx,
 558                                        DATA_BLOB *_token_blob)
 559 {
 560         NTSTATUS status;
 561
 562         if (tevent_req_is_nterror(req, &status)) {
 563                 tevent_req_received(req);
 564                 return status;
 565         }
 566         tevent_req_received(req);
 567
 568         return NT_STATUS_OK;
 569 }
 570
 571 struct skel_cc_state {
 572         uint64_t unused;
 573 };
 574 static struct tevent_req *skel_offload_write_send(struct vfs_handle_struct *handle,
 575                                                TALLOC_CTX *mem_ctx,
 576                                                struct tevent_context *ev,
 577                                                uint32_t fsctl,
 578                                                DATA_BLOB *token,
 579                                                off_t transfer_offset,
 580                                                struct files_struct *dest_fsp,
 581                                                off_t dest_off,
 582                                                off_t num)
 583 {
 584         struct tevent_req *req;
 585         struct skel_cc_state *cc_state;
 586
 587         req = tevent_req_create(mem_ctx, &cc_state, struct skel_cc_state);
 588         if (req == NULL) {
 589                 return NULL;
 590         }
 591
 592         tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
 593         return tevent_req_post(req, ev);
 594 }
 595
 596 static NTSTATUS skel_offload_write_recv(struct vfs_handle_struct *handle,
 597                                      struct tevent_req *req,
 598                                      off_t *copied)
 599 {
 600         NTSTATUS status;
 601
 602         if (tevent_req_is_nterror(req, &status)) {
 603                 tevent_req_received(req);
 604                 return status;
 605         }
 606         tevent_req_received(req);
 607
 608         return NT_STATUS_OK;
 609 }
 610
 611 static NTSTATUS skel_get_compression(struct vfs_handle_struct *handle,
 612                                      TALLOC_CTX *mem_ctx,
 613                                      struct files_struct *fsp,
 614                                      struct smb_filename *smb_fname,
 615                                      uint16_t *_compression_fmt)
 616 {
 617         return NT_STATUS_INVALID_DEVICE_REQUEST;
 618 }
 619
 620 static NTSTATUS skel_set_compression(struct vfs_handle_struct *handle,
 621                                      TALLOC_CTX *mem_ctx,
 622                                      struct files_struct *fsp,
 623                                      uint16_t compression_fmt)
 624 {
 625         return NT_STATUS_INVALID_DEVICE_REQUEST;
 626 }
 627
 628 static NTSTATUS skel_streaminfo(struct vfs_handle_struct *handle,
 629                                 struct files_struct *fsp,
 630                                 const struct smb_filename *smb_fname,
 631                                 TALLOC_CTX *mem_ctx,
 632                                 unsigned int *num_streams,
 633                                 struct stream_struct **streams)
 634 {
 635         return NT_STATUS_NOT_IMPLEMENTED;
 636 }
 637
 638 static int skel_get_real_filename(struct vfs_handle_struct *handle,
 639                                   const char *path,
 640                                   const char *name,
 641                                   TALLOC_CTX *mem_ctx, char **found_name)
 642 {
 643         errno = ENOSYS;
 644         return -1;
 645 }
 646
 647 static const char *skel_connectpath(struct vfs_handle_struct *handle,
 648                                 const struct smb_filename *smb_fname)
 649 {
 650         errno = ENOSYS;
 651         return NULL;
 652 }
 653
 654 static NTSTATUS skel_brl_lock_windows(struct vfs_handle_struct *handle,
 655                                       struct byte_range_lock *br_lck,
 656                                       struct lock_struct *plock,
 657                                       bool blocking_lock)
 658 {
 659         return NT_STATUS_NOT_IMPLEMENTED;
 660 }
 661
 662 static bool skel_brl_unlock_windows(struct vfs_handle_struct *handle,
 663                                     struct messaging_context *msg_ctx,
 664                                     struct byte_range_lock *br_lck,
 665                                     const struct lock_struct *plock)
 666 {
 667         errno = ENOSYS;
 668         return false;
 669 }
 670
 671 static bool skel_brl_cancel_windows(struct vfs_handle_struct *handle,
 672                                     struct byte_range_lock *br_lck,
 673                                     struct lock_struct *plock)
 674 {
 675         errno = ENOSYS;
 676         return false;
 677 }
 678
 679 static bool skel_strict_lock_check(struct vfs_handle_struct *handle,
 680                                    struct files_struct *fsp,
 681                                    struct lock_struct *plock)
 682 {
 683         errno = ENOSYS;
 684         return false;
 685 }
 686
 687 static NTSTATUS skel_translate_name(struct vfs_handle_struct *handle,
 688                                     const char *mapped_name,
 689                                     enum vfs_translate_direction direction,
 690                                     TALLOC_CTX *mem_ctx, char **pmapped_name)
 691 {
 692         return NT_STATUS_NOT_IMPLEMENTED;
 693 }
 694
 695 static NTSTATUS skel_fsctl(struct vfs_handle_struct *handle,
 696                            struct files_struct *fsp,
 697                            TALLOC_CTX *ctx,
 698                            uint32_t function,
 699                            uint16_t req_flags,  /* Needed for UNICODE ... */
 700                            const uint8_t *_in_data,
 701                            uint32_t in_len,
 702                            uint8_t **_out_data,
 703                            uint32_t max_out_len, uint32_t *out_len)
 704 {
 705         return NT_STATUS_NOT_IMPLEMENTED;
 706 }
 707
 708 static NTSTATUS skel_readdir_attr(struct vfs_handle_struct *handle,
 709                                   const struct smb_filename *fname,
 710                                   TALLOC_CTX *mem_ctx,
 711                                   struct readdir_attr_data **pattr_data)
 712 {
 713         return NT_STATUS_NOT_IMPLEMENTED;
 714 }
 715
 716 static NTSTATUS skel_get_dos_attributes(struct vfs_handle_struct *handle,
 717                                 struct smb_filename *smb_fname,
 718                                 uint32_t *dosmode)
 719 {
 720         return NT_STATUS_NOT_IMPLEMENTED;
 721 }
 722
 723 static NTSTATUS skel_fget_dos_attributes(struct vfs_handle_struct *handle,
 724                                 struct files_struct *fsp,
 725                                 uint32_t *dosmode)
 726 {
 727         return NT_STATUS_NOT_IMPLEMENTED;
 728 }
 729
 730 static NTSTATUS skel_set_dos_attributes(struct vfs_handle_struct *handle,
 731                                 const struct smb_filename *smb_fname,
 732                                 uint32_t dosmode)
 733 {
 734         return NT_STATUS_NOT_IMPLEMENTED;
 735 }
 736
 737 static NTSTATUS skel_fset_dos_attributes(struct vfs_handle_struct *handle,
 738                                 struct files_struct *fsp,
 739                                 uint32_t dosmode)
 740 {
 741         return NT_STATUS_NOT_IMPLEMENTED;
 742 }
 743
 744 static NTSTATUS skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 745                                  uint32_t security_info,
 746                                  TALLOC_CTX *mem_ctx,
 747                                  struct security_descriptor **ppdesc)
 748 {
 749         return NT_STATUS_NOT_IMPLEMENTED;
 750 }
 751
 752 static NTSTATUS skel_get_nt_acl(vfs_handle_struct *handle,
 753                                 const struct smb_filename *smb_fname,
 754                                 uint32_t security_info,
 755                                 TALLOC_CTX *mem_ctx,
 756                                 struct security_descriptor **ppdesc)
 757 {
 758         return NT_STATUS_NOT_IMPLEMENTED;
 759 }
 760
 761 static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 762                                  uint32_t security_info_sent,
 763                                  const struct security_descriptor *psd)
 764 {
 765         return NT_STATUS_NOT_IMPLEMENTED;
 766 }
 767
 768 static int skel_chmod_acl(vfs_handle_struct *handle,
 769                         const struct smb_filename *smb_fname,
 770                         mode_t mode)
 771 {
 772         errno = ENOSYS;
 773         return -1;
 774 }
 775
 776 static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp,
 777                            mode_t mode)
 778 {
 779         errno = ENOSYS;
 780         return -1;
 781 }
 782
 783 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,
 784                                        const struct smb_filename *smb_fname,
 785                                        SMB_ACL_TYPE_T type,
 786                                        TALLOC_CTX *mem_ctx)
 787 {
 788         errno = ENOSYS;
 789         return (SMB_ACL_T) NULL;
 790 }
 791
 792 static SMB_ACL_T skel_sys_acl_get_fd(vfs_handle_struct *handle,
 793                                      files_struct *fsp, TALLOC_CTX *mem_ctx)
 794 {
 795         errno = ENOSYS;
 796         return (SMB_ACL_T) NULL;
 797 }
 798
 799 static int skel_sys_acl_blob_get_file(vfs_handle_struct *handle,
 800                                 const struct smb_filename *smb_fname,
 801                                 TALLOC_CTX *mem_ctx,
 802                                 char **blob_description,
 803                                 DATA_BLOB *blob)
 804 {
 805         errno = ENOSYS;
 806         return -1;
 807 }
 808
 809 static int skel_sys_acl_blob_get_fd(vfs_handle_struct *handle,
 810                                     files_struct *fsp, TALLOC_CTX *mem_ctx,
 811                                     char **blob_description, DATA_BLOB *blob)
 812 {
 813         errno = ENOSYS;
 814         return -1;
 815 }
 816
 817 static int skel_sys_acl_set_file(vfs_handle_struct *handle,
 818                                 const struct smb_filename *smb_fname,
 819                                 SMB_ACL_TYPE_T acltype,
 820                                 SMB_ACL_T theacl)
 821 {
 822         errno = ENOSYS;
 823         return -1;
 824 }
 825
 826 static int skel_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp,
 827                                SMB_ACL_T theacl)
 828 {
 829         errno = ENOSYS;
 830         return -1;
 831 }
 832
 833 static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle,
 834                                         const struct smb_filename *smb_fname)
 835 {
 836         errno = ENOSYS;
 837         return -1;
 838 }
 839
 840 static ssize_t skel_getxattr(vfs_handle_struct *handle,
 841                                 const struct smb_filename *smb_fname,
 842                                 const char *name,
 843                                 void *value,
 844                                 size_t size)
 845 {
 846         errno = ENOSYS;
 847         return -1;
 848 }
 849
 850 static ssize_t skel_fgetxattr(vfs_handle_struct *handle,
 851                               struct files_struct *fsp, const char *name,
 852                               void *value, size_t size)
 853 {
 854         errno = ENOSYS;
 855         return -1;
 856 }
 857
 858 static ssize_t skel_listxattr(vfs_handle_struct *handle,
 859                                 const struct smb_filename *smb_fname,
 860                                 char *list,
 861                                 size_t size)
 862 {
 863         errno = ENOSYS;
 864         return -1;
 865 }
 866
 867 static ssize_t skel_flistxattr(vfs_handle_struct *handle,
 868                                struct files_struct *fsp, char *list,
 869                                size_t size)
 870 {
 871         errno = ENOSYS;
 872         return -1;
 873 }
 874
 875 static int skel_removexattr(vfs_handle_struct *handle,
 876                         const struct smb_filename *smb_fname,
 877                         const char *name)
 878 {
 879         errno = ENOSYS;
 880         return -1;
 881 }
 882
 883 static int skel_fremovexattr(vfs_handle_struct *handle,
 884                              struct files_struct *fsp, const char *name)
 885 {
 886         errno = ENOSYS;
 887         return -1;
 888         return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, name);
 889 }
 890
 891 static int skel_setxattr(vfs_handle_struct *handle,
 892                         const struct smb_filename *smb_fname,
 893                         const char *name,
 894                         const void *value,
 895                         size_t size,
 896                         int flags)
 897 {
 898         errno = ENOSYS;
 899         return -1;
 900 }
 901
 902 static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,
 903                           const char *name, const void *value, size_t size,
 904                           int flags)
 905 {
 906         errno = ENOSYS;
 907         return -1;
 908 }
 909
 910 static bool skel_aio_force(struct vfs_handle_struct *handle,
 911                            struct files_struct *fsp)
 912 {
 913         errno = ENOSYS;
 914         return false;
 915 }
 916
 917 /* VFS operations structure */
 918
 919 struct vfs_fn_pointers skel_opaque_fns = {
 920         /* Disk operations */
 921
 922         .connect_fn = skel_connect,
 923         .disconnect_fn = skel_disconnect,
 924         .disk_free_fn = skel_disk_free,
 925         .get_quota_fn = skel_get_quota,
 926         .set_quota_fn = skel_set_quota,
 927         .get_shadow_copy_data_fn = skel_get_shadow_copy_data,
 928         .statvfs_fn = skel_statvfs,
 929         .fs_capabilities_fn = skel_fs_capabilities,
 930         .get_dfs_referrals_fn = skel_get_dfs_referrals,
 931         .snap_check_path_fn = skel_snap_check_path,
 932         .snap_create_fn = skel_snap_create,
 933         .snap_delete_fn = skel_snap_delete,
 934
 935         /* Directory operations */
 936
 937         .opendir_fn = skel_opendir,
 938         .fdopendir_fn = skel_fdopendir,
 939         .readdir_fn = skel_readdir,
 940         .seekdir_fn = skel_seekdir,
 941         .telldir_fn = skel_telldir,
 942         .rewind_dir_fn = skel_rewind_dir,
 943         .mkdir_fn = skel_mkdir,
 944         .rmdir_fn = skel_rmdir,
 945         .closedir_fn = skel_closedir,
 946
 947         /* File operations */
 948
 949         .open_fn = skel_open,
 950         .create_file_fn = skel_create_file,
 951         .close_fn = skel_close_fn,
 952         .read_fn = skel_vfs_read,
 953         .pread_fn = skel_pread,
 954         .pread_send_fn = skel_pread_send,
 955         .pread_recv_fn = skel_pread_recv,
 956         .write_fn = skel_write,
 957         .pwrite_fn = skel_pwrite,
 958         .pwrite_send_fn = skel_pwrite_send,
 959         .pwrite_recv_fn = skel_pwrite_recv,
 960         .lseek_fn = skel_lseek,
 961         .sendfile_fn = skel_sendfile,
 962         .recvfile_fn = skel_recvfile,
 963         .rename_fn = skel_rename,
 964         .fsync_send_fn = skel_fsync_send,
 965         .fsync_recv_fn = skel_fsync_recv,
 966         .stat_fn = skel_stat,
 967         .fstat_fn = skel_fstat,
 968         .lstat_fn = skel_lstat,
 969         .get_alloc_size_fn = skel_get_alloc_size,
 970         .unlink_fn = skel_unlink,
 971         .chmod_fn = skel_chmod,
 972         .fchmod_fn = skel_fchmod,
 973         .chown_fn = skel_chown,
 974         .fchown_fn = skel_fchown,
 975         .lchown_fn = skel_lchown,
 976         .chdir_fn = skel_chdir,
 977         .getwd_fn = skel_getwd,
 978         .ntimes_fn = skel_ntimes,
 979         .ftruncate_fn = skel_ftruncate,
 980         .fallocate_fn = skel_fallocate,
 981         .lock_fn = skel_lock,
 982         .kernel_flock_fn = skel_kernel_flock,
 983         .linux_setlease_fn = skel_linux_setlease,
 984         .getlock_fn = skel_getlock,
 985         .symlink_fn = skel_symlink,
 986         .readlink_fn = skel_vfs_readlink,
 987         .link_fn = skel_link,
 988         .mknod_fn = skel_mknod,
 989         .realpath_fn = skel_realpath,
 990         .chflags_fn = skel_chflags,
 991         .file_id_create_fn = skel_file_id_create,
 992         .offload_read_send_fn = skel_offload_read_send,
 993         .offload_read_recv_fn = skel_offload_read_recv,
 994         .offload_write_send_fn = skel_offload_write_send,
 995         .offload_write_recv_fn = skel_offload_write_recv,
 996         .get_compression_fn = skel_get_compression,
 997         .set_compression_fn = skel_set_compression,
 998
 999         .streaminfo_fn = skel_streaminfo,
1000         .get_real_filename_fn = skel_get_real_filename,
1001         .connectpath_fn = skel_connectpath,
1002         .brl_lock_windows_fn = skel_brl_lock_windows,
1003         .brl_unlock_windows_fn = skel_brl_unlock_windows,
1004         .brl_cancel_windows_fn = skel_brl_cancel_windows,
1005         .strict_lock_check_fn = skel_strict_lock_check,
1006         .translate_name_fn = skel_translate_name,
1007         .fsctl_fn = skel_fsctl,
1008         .readdir_attr_fn = skel_readdir_attr,
1009
1010         /* DOS attributes. */
1011         .get_dos_attributes_fn = skel_get_dos_attributes,
1012         .fget_dos_attributes_fn = skel_fget_dos_attributes,
1013         .set_dos_attributes_fn = skel_set_dos_attributes,
1014         .fset_dos_attributes_fn = skel_fset_dos_attributes,
1015
1016         /* NT ACL operations. */
1017
1018         .fget_nt_acl_fn = skel_fget_nt_acl,
1019         .get_nt_acl_fn = skel_get_nt_acl,
1020         .fset_nt_acl_fn = skel_fset_nt_acl,
1021
1022         /* POSIX ACL operations. */
1023
1024         .chmod_acl_fn = skel_chmod_acl,
1025         .fchmod_acl_fn = skel_fchmod_acl,
1026
1027         .sys_acl_get_file_fn = skel_sys_acl_get_file,
1028         .sys_acl_get_fd_fn = skel_sys_acl_get_fd,
1029         .sys_acl_blob_get_file_fn = skel_sys_acl_blob_get_file,
1030         .sys_acl_blob_get_fd_fn = skel_sys_acl_blob_get_fd,
1031         .sys_acl_set_file_fn = skel_sys_acl_set_file,
1032         .sys_acl_set_fd_fn = skel_sys_acl_set_fd,
1033         .sys_acl_delete_def_file_fn = skel_sys_acl_delete_def_file,
1034
1035         /* EA operations. */
1036         .getxattr_fn = skel_getxattr,
1037         .fgetxattr_fn = skel_fgetxattr,
1038         .listxattr_fn = skel_listxattr,
1039         .flistxattr_fn = skel_flistxattr,
1040         .removexattr_fn = skel_removexattr,
1041         .fremovexattr_fn = skel_fremovexattr,
1042         .setxattr_fn = skel_setxattr,
1043         .fsetxattr_fn = skel_fsetxattr,
1044
1045         /* aio operations */
1046         .aio_force_fn = skel_aio_force,
1047 };
1048
1049 static_decl_vfs;
1050 NTSTATUS vfs_skel_opaque_init(TALLOC_CTX *ctx)
1051 {
1052         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_opaque",
1053                                 &skel_opaque_fns);
1054 }