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