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