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                                bool small_query, 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 attr)
 101 {
 102         return NULL;
 103 }
 104
 105 static DIR *skel_fdopendir(vfs_handle_struct *handle, files_struct *fsp,
 106                            const char *mask, uint32 attr)
 107 {
 108         return NULL;
 109 }
 110
 111 static struct dirent *skel_readdir(vfs_handle_struct *handle,
 112                                    DIR *dirp, SMB_STRUCT_STAT *sbuf)
 113 {
 114         return NULL;
 115 }
 116
 117 static void skel_seekdir(vfs_handle_struct *handle, DIR *dirp, long offset)
 118 {
 119         ;
 120 }
 121
 122 static long skel_telldir(vfs_handle_struct *handle, DIR *dirp)
 123 {
 124         return (long)-1;
 125 }
 126
 127 static void skel_rewind_dir(vfs_handle_struct *handle, DIR *dirp)
 128 {
 129         ;
 130 }
 131
 132 static int skel_mkdir(vfs_handle_struct *handle, const char *path, mode_t mode)
 133 {
 134         errno = ENOSYS;
 135         return -1;
 136 }
 137
 138 static int skel_rmdir(vfs_handle_struct *handle, const char *path)
 139 {
 140         errno = ENOSYS;
 141         return -1;
 142 }
 143
 144 static int skel_closedir(vfs_handle_struct *handle, DIR *dir)
 145 {
 146         errno = ENOSYS;
 147         return -1;
 148 }
 149
 150 static void skel_init_search_op(struct vfs_handle_struct *handle, DIR *dirp)
 151 {
 152         ;
 153 }
 154
 155 static int skel_open(vfs_handle_struct *handle, struct smb_filename *smb_fname,
 156                      files_struct *fsp, int flags, mode_t mode)
 157 {
 158         errno = ENOSYS;
 159         return -1;
 160 }
 161
 162 static NTSTATUS skel_create_file(struct vfs_handle_struct *handle,
 163                                  struct smb_request *req,
 164                                  uint16_t root_dir_fid,
 165                                  struct smb_filename *smb_fname,
 166                                  uint32_t access_mask,
 167                                  uint32_t share_access,
 168                                  uint32_t create_disposition,
 169                                  uint32_t create_options,
 170                                  uint32_t file_attributes,
 171                                  uint32_t oplock_request,
 172                                  struct smb2_lease *lease,
 173                                  uint64_t allocation_size,
 174                                  uint32_t private_flags,
 175                                  struct security_descriptor *sd,
 176                                  struct ea_list *ea_list,
 177                                  files_struct **result, int *pinfo,
 178                                  const struct smb2_create_blobs *in_context_blobs,
 179                                  struct smb2_create_blobs *out_context_blobs)
 180 {
 181         return NT_STATUS_NOT_IMPLEMENTED;
 182 }
 183
 184 static int skel_close_fn(vfs_handle_struct *handle, files_struct *fsp)
 185 {
 186         errno = ENOSYS;
 187         return -1;
 188 }
 189
 190 static ssize_t skel_vfs_read(vfs_handle_struct *handle, files_struct *fsp,
 191                              void *data, size_t n)
 192 {
 193         errno = ENOSYS;
 194         return -1;
 195 }
 196
 197 static ssize_t skel_pread(vfs_handle_struct *handle, files_struct *fsp,
 198                           void *data, size_t n, off_t offset)
 199 {
 200         errno = ENOSYS;
 201         return -1;
 202 }
 203
 204 static struct tevent_req *skel_pread_send(struct vfs_handle_struct *handle,
 205                                           TALLOC_CTX *mem_ctx,
 206                                           struct tevent_context *ev,
 207                                           struct files_struct *fsp,
 208                                           void *data, size_t n, off_t offset)
 209 {
 210         return NULL;
 211 }
 212
 213 static ssize_t skel_pread_recv(struct tevent_req *req, int *err)
 214 {
 215         *err = ENOSYS;
 216         return -1;
 217 }
 218
 219 static ssize_t skel_write(vfs_handle_struct *handle, files_struct *fsp,
 220                           const void *data, size_t n)
 221 {
 222         errno = ENOSYS;
 223         return -1;
 224 }
 225
 226 static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp,
 227                            const void *data, size_t n, off_t offset)
 228 {
 229         errno = ENOSYS;
 230         return -1;
 231 }
 232
 233 static struct tevent_req *skel_pwrite_send(struct vfs_handle_struct *handle,
 234                                            TALLOC_CTX *mem_ctx,
 235                                            struct tevent_context *ev,
 236                                            struct files_struct *fsp,
 237                                            const void *data,
 238                                            size_t n, off_t offset)
 239 {
 240         return NULL;
 241 }
 242
 243 static ssize_t skel_pwrite_recv(struct tevent_req *req, int *err)
 244 {
 245         *err = ENOSYS;
 246         return -1;
 247 }
 248
 249 static off_t skel_lseek(vfs_handle_struct *handle, files_struct *fsp,
 250                         off_t offset, int whence)
 251 {
 252         errno = ENOSYS;
 253         return (off_t) - 1;
 254 }
 255
 256 static ssize_t skel_sendfile(vfs_handle_struct *handle, int tofd,
 257                              files_struct *fromfsp, const DATA_BLOB *hdr,
 258                              off_t offset, size_t n)
 259 {
 260         errno = ENOSYS;
 261         return -1;
 262 }
 263
 264 static ssize_t skel_recvfile(vfs_handle_struct *handle, int fromfd,
 265                              files_struct *tofsp, off_t offset, size_t n)
 266 {
 267         errno = ENOSYS;
 268         return -1;
 269 }
 270
 271 static int skel_rename(vfs_handle_struct *handle,
 272                        const struct smb_filename *smb_fname_src,
 273                        const struct smb_filename *smb_fname_dst)
 274 {
 275         errno = ENOSYS;
 276         return -1;
 277 }
 278
 279 static int skel_fsync(vfs_handle_struct *handle, files_struct *fsp)
 280 {
 281         errno = ENOSYS;
 282         return -1;
 283 }
 284
 285 static struct tevent_req *skel_fsync_send(struct vfs_handle_struct *handle,
 286                                           TALLOC_CTX *mem_ctx,
 287                                           struct tevent_context *ev,
 288                                           struct files_struct *fsp)
 289 {
 290         return NULL;
 291 }
 292
 293 static int skel_fsync_recv(struct tevent_req *req, int *err)
 294 {
 295         *err = ENOSYS;
 296         return -1;
 297 }
 298
 299 static int skel_stat(vfs_handle_struct *handle, struct smb_filename *smb_fname)
 300 {
 301         errno = ENOSYS;
 302         return -1;
 303 }
 304
 305 static int skel_fstat(vfs_handle_struct *handle, files_struct *fsp,
 306                       SMB_STRUCT_STAT *sbuf)
 307 {
 308         errno = ENOSYS;
 309         return -1;
 310 }
 311
 312 static int skel_lstat(vfs_handle_struct *handle,
 313                       struct smb_filename *smb_fname)
 314 {
 315         errno = ENOSYS;
 316         return -1;
 317 }
 318
 319 static uint64_t skel_get_alloc_size(struct vfs_handle_struct *handle,
 320                                     struct files_struct *fsp,
 321                                     const SMB_STRUCT_STAT *sbuf)
 322 {
 323         errno = ENOSYS;
 324         return -1;
 325 }
 326
 327 static int skel_unlink(vfs_handle_struct *handle,
 328                        const struct smb_filename *smb_fname)
 329 {
 330         errno = ENOSYS;
 331         return -1;
 332 }
 333
 334 static int skel_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
 335 {
 336         errno = ENOSYS;
 337         return -1;
 338 }
 339
 340 static int skel_fchmod(vfs_handle_struct *handle, files_struct *fsp,
 341                        mode_t mode)
 342 {
 343         errno = ENOSYS;
 344         return -1;
 345 }
 346
 347 static int skel_chown(vfs_handle_struct *handle, const char *path,
 348                       uid_t uid, gid_t gid)
 349 {
 350         errno = ENOSYS;
 351         return -1;
 352 }
 353
 354 static int skel_fchown(vfs_handle_struct *handle, files_struct *fsp,
 355                        uid_t uid, gid_t gid)
 356 {
 357         errno = ENOSYS;
 358         return -1;
 359 }
 360
 361 static int skel_lchown(vfs_handle_struct *handle, const char *path,
 362                        uid_t uid, gid_t gid)
 363 {
 364         errno = ENOSYS;
 365         return -1;
 366 }
 367
 368 static int skel_chdir(vfs_handle_struct *handle, const char *path)
 369 {
 370         errno = ENOSYS;
 371         return -1;
 372 }
 373
 374 static char *skel_getwd(vfs_handle_struct *handle)
 375 {
 376         errno = ENOSYS;
 377         return NULL;
 378 }
 379
 380 static int skel_ntimes(vfs_handle_struct *handle,
 381                        const struct smb_filename *smb_fname,
 382                        struct smb_file_time *ft)
 383 {
 384         errno = ENOSYS;
 385         return -1;
 386 }
 387
 388 static int skel_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
 389                           off_t offset)
 390 {
 391         errno = ENOSYS;
 392         return -1;
 393 }
 394
 395 static int skel_fallocate(vfs_handle_struct *handle, files_struct *fsp,
 396                           enum vfs_fallocate_mode mode, off_t offset, off_t len)
 397 {
 398         errno = ENOSYS;
 399         return -1;
 400 }
 401
 402 static bool skel_lock(vfs_handle_struct *handle, files_struct *fsp, int op,
 403                       off_t offset, off_t count, int type)
 404 {
 405         errno = ENOSYS;
 406         return false;
 407 }
 408
 409 static int skel_kernel_flock(struct vfs_handle_struct *handle,
 410                              struct files_struct *fsp,
 411                              uint32 share_mode, uint32 access_mask)
 412 {
 413         errno = ENOSYS;
 414         return -1;
 415 }
 416
 417 static int skel_linux_setlease(struct vfs_handle_struct *handle,
 418                                struct files_struct *fsp, int leasetype)
 419 {
 420         errno = ENOSYS;
 421         return -1;
 422 }
 423
 424 static bool skel_getlock(vfs_handle_struct *handle, files_struct *fsp,
 425                          off_t *poffset, off_t *pcount, int *ptype,
 426                          pid_t *ppid)
 427 {
 428         errno = ENOSYS;
 429         return false;
 430 }
 431
 432 static int skel_symlink(vfs_handle_struct *handle, const char *oldpath,
 433                         const char *newpath)
 434 {
 435         errno = ENOSYS;
 436         return -1;
 437 }
 438
 439 static int skel_vfs_readlink(vfs_handle_struct *handle, const char *path,
 440                              char *buf, size_t bufsiz)
 441 {
 442         errno = ENOSYS;
 443         return -1;
 444 }
 445
 446 static int skel_link(vfs_handle_struct *handle, const char *oldpath,
 447                      const char *newpath)
 448 {
 449         errno = ENOSYS;
 450         return -1;
 451 }
 452
 453 static int skel_mknod(vfs_handle_struct *handle, const char *path, mode_t mode,
 454                       SMB_DEV_T dev)
 455 {
 456         errno = ENOSYS;
 457         return -1;
 458 }
 459
 460 static char *skel_realpath(vfs_handle_struct *handle, const char *path)
 461 {
 462         errno = ENOSYS;
 463         return NULL;
 464 }
 465
 466 static NTSTATUS skel_notify_watch(struct vfs_handle_struct *handle,
 467                                   struct sys_notify_context *ctx,
 468                                   const char *path,
 469                                   uint32_t *filter,
 470                                   uint32_t *subdir_filter,
 471                                   void (*callback) (struct sys_notify_context *
 472                                                     ctx, void *private_data,
 473                                                     struct notify_event *ev),
 474                                   void *private_data, void *handle_p)
 475 {
 476         return NT_STATUS_NOT_IMPLEMENTED;
 477 }
 478
 479 static int skel_chflags(vfs_handle_struct *handle, const char *path,
 480                         uint flags)
 481 {
 482         errno = ENOSYS;
 483         return -1;
 484 }
 485
 486 static struct file_id skel_file_id_create(vfs_handle_struct *handle,
 487                                           const SMB_STRUCT_STAT *sbuf)
 488 {
 489         struct file_id id;
 490         ZERO_STRUCT(id);
 491         errno = ENOSYS;
 492         return id;
 493 }
 494
 495 struct skel_cc_state {
 496         uint64_t unused;
 497 };
 498 static struct tevent_req *skel_copy_chunk_send(struct vfs_handle_struct *handle,
 499                                                TALLOC_CTX *mem_ctx,
 500                                                struct tevent_context *ev,
 501                                                struct files_struct *src_fsp,
 502                                                off_t src_off,
 503                                                struct files_struct *dest_fsp,
 504                                                off_t dest_off,
 505                                                off_t num)
 506 {
 507         struct tevent_req *req;
 508         struct skel_cc_state *cc_state;
 509
 510         req = tevent_req_create(mem_ctx, &cc_state, struct skel_cc_state);
 511         if (req == NULL) {
 512                 return NULL;
 513         }
 514
 515         tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
 516         return tevent_req_post(req, ev);
 517 }
 518
 519 static NTSTATUS skel_copy_chunk_recv(struct vfs_handle_struct *handle,
 520                                      struct tevent_req *req,
 521                                      off_t *copied)
 522 {
 523         NTSTATUS status;
 524
 525         if (tevent_req_is_nterror(req, &status)) {
 526                 tevent_req_received(req);
 527                 return status;
 528         }
 529         tevent_req_received(req);
 530
 531         return NT_STATUS_OK;
 532 }
 533
 534 static NTSTATUS skel_get_compression(struct vfs_handle_struct *handle,
 535                                      TALLOC_CTX *mem_ctx,
 536                                      struct files_struct *fsp,
 537                                      struct smb_filename *smb_fname,
 538                                      uint16_t *_compression_fmt)
 539 {
 540         return NT_STATUS_INVALID_DEVICE_REQUEST;
 541 }
 542
 543 static NTSTATUS skel_set_compression(struct vfs_handle_struct *handle,
 544                                      TALLOC_CTX *mem_ctx,
 545                                      struct files_struct *fsp,
 546                                      uint16_t compression_fmt)
 547 {
 548         return NT_STATUS_INVALID_DEVICE_REQUEST;
 549 }
 550
 551 static NTSTATUS skel_streaminfo(struct vfs_handle_struct *handle,
 552                                 struct files_struct *fsp,
 553                                 const char *fname,
 554                                 TALLOC_CTX *mem_ctx,
 555                                 unsigned int *num_streams,
 556                                 struct stream_struct **streams)
 557 {
 558         return NT_STATUS_NOT_IMPLEMENTED;
 559 }
 560
 561 static int skel_get_real_filename(struct vfs_handle_struct *handle,
 562                                   const char *path,
 563                                   const char *name,
 564                                   TALLOC_CTX *mem_ctx, char **found_name)
 565 {
 566         errno = ENOSYS;
 567         return -1;
 568 }
 569
 570 static const char *skel_connectpath(struct vfs_handle_struct *handle,
 571                                     const char *filename)
 572 {
 573         errno = ENOSYS;
 574         return NULL;
 575 }
 576
 577 static NTSTATUS skel_brl_lock_windows(struct vfs_handle_struct *handle,
 578                                       struct byte_range_lock *br_lck,
 579                                       struct lock_struct *plock,
 580                                       bool blocking_lock)
 581 {
 582         return NT_STATUS_NOT_IMPLEMENTED;
 583 }
 584
 585 static bool skel_brl_unlock_windows(struct vfs_handle_struct *handle,
 586                                     struct messaging_context *msg_ctx,
 587                                     struct byte_range_lock *br_lck,
 588                                     const struct lock_struct *plock)
 589 {
 590         errno = ENOSYS;
 591         return false;
 592 }
 593
 594 static bool skel_brl_cancel_windows(struct vfs_handle_struct *handle,
 595                                     struct byte_range_lock *br_lck,
 596                                     struct lock_struct *plock)
 597 {
 598         errno = ENOSYS;
 599         return false;
 600 }
 601
 602 static bool skel_strict_lock(struct vfs_handle_struct *handle,
 603                              struct files_struct *fsp,
 604                              struct lock_struct *plock)
 605 {
 606         errno = ENOSYS;
 607         return false;
 608 }
 609
 610 static void skel_strict_unlock(struct vfs_handle_struct *handle,
 611                                struct files_struct *fsp,
 612                                struct lock_struct *plock)
 613 {
 614         ;
 615 }
 616
 617 static NTSTATUS skel_translate_name(struct vfs_handle_struct *handle,
 618                                     const char *mapped_name,
 619                                     enum vfs_translate_direction direction,
 620                                     TALLOC_CTX *mem_ctx, char **pmapped_name)
 621 {
 622         return NT_STATUS_NOT_IMPLEMENTED;
 623 }
 624
 625 static NTSTATUS skel_fsctl(struct vfs_handle_struct *handle,
 626                            struct files_struct *fsp,
 627                            TALLOC_CTX *ctx,
 628                            uint32_t function,
 629                            uint16_t req_flags,  /* Needed for UNICODE ... */
 630                            const uint8_t *_in_data,
 631                            uint32_t in_len,
 632                            uint8_t **_out_data,
 633                            uint32_t max_out_len, uint32_t *out_len)
 634 {
 635         return NT_STATUS_NOT_IMPLEMENTED;
 636 }
 637
 638 static NTSTATUS skel_readdir_attr(struct vfs_handle_struct *handle,
 639                                   const struct smb_filename *fname,
 640                                   TALLOC_CTX *mem_ctx,
 641                                   struct readdir_attr_data **pattr_data)
 642 {
 643         return NT_STATUS_NOT_IMPLEMENTED;
 644 }
 645
 646 static NTSTATUS skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 647                                  uint32 security_info,
 648                                  TALLOC_CTX *mem_ctx,
 649                                  struct security_descriptor **ppdesc)
 650 {
 651         return NT_STATUS_NOT_IMPLEMENTED;
 652 }
 653
 654 static NTSTATUS skel_get_nt_acl(vfs_handle_struct *handle,
 655                                 const char *name, uint32 security_info,
 656                                 TALLOC_CTX *mem_ctx,
 657                                 struct security_descriptor **ppdesc)
 658 {
 659         return NT_STATUS_NOT_IMPLEMENTED;
 660 }
 661
 662 static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 663                                  uint32 security_info_sent,
 664                                  const struct security_descriptor *psd)
 665 {
 666         return NT_STATUS_NOT_IMPLEMENTED;
 667 }
 668
 669 static int skel_chmod_acl(vfs_handle_struct *handle, const char *name,
 670                           mode_t mode)
 671 {
 672         errno = ENOSYS;
 673         return -1;
 674 }
 675
 676 static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp,
 677                            mode_t mode)
 678 {
 679         errno = ENOSYS;
 680         return -1;
 681 }
 682
 683 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,
 684                                        const char *path_p,
 685                                        SMB_ACL_TYPE_T type,
 686                                        TALLOC_CTX *mem_ctx)
 687 {
 688         errno = ENOSYS;
 689         return (SMB_ACL_T) NULL;
 690 }
 691
 692 static SMB_ACL_T skel_sys_acl_get_fd(vfs_handle_struct *handle,
 693                                      files_struct *fsp, TALLOC_CTX *mem_ctx)
 694 {
 695         errno = ENOSYS;
 696         return (SMB_ACL_T) NULL;
 697 }
 698
 699 static int skel_sys_acl_blob_get_file(vfs_handle_struct *handle,
 700                                       const char *path_p, TALLOC_CTX *mem_ctx,
 701                                       char **blob_description, DATA_BLOB *blob)
 702 {
 703         errno = ENOSYS;
 704         return -1;
 705 }
 706
 707 static int skel_sys_acl_blob_get_fd(vfs_handle_struct *handle,
 708                                     files_struct *fsp, TALLOC_CTX *mem_ctx,
 709                                     char **blob_description, DATA_BLOB *blob)
 710 {
 711         errno = ENOSYS;
 712         return -1;
 713 }
 714
 715 static int skel_sys_acl_set_file(vfs_handle_struct *handle, const char *name,
 716                                  SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
 717 {
 718         errno = ENOSYS;
 719         return -1;
 720 }
 721
 722 static int skel_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp,
 723                                SMB_ACL_T theacl)
 724 {
 725         errno = ENOSYS;
 726         return -1;
 727 }
 728
 729 static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle,
 730                                         const char *path)
 731 {
 732         errno = ENOSYS;
 733         return -1;
 734 }
 735
 736 static ssize_t skel_getxattr(vfs_handle_struct *handle, const char *path,
 737                              const char *name, void *value, size_t size)
 738 {
 739         errno = ENOSYS;
 740         return -1;
 741 }
 742
 743 static ssize_t skel_fgetxattr(vfs_handle_struct *handle,
 744                               struct files_struct *fsp, const char *name,
 745                               void *value, size_t size)
 746 {
 747         errno = ENOSYS;
 748         return -1;
 749 }
 750
 751 static ssize_t skel_listxattr(vfs_handle_struct *handle, const char *path,
 752                               char *list, size_t size)
 753 {
 754         errno = ENOSYS;
 755         return -1;
 756 }
 757
 758 static ssize_t skel_flistxattr(vfs_handle_struct *handle,
 759                                struct files_struct *fsp, char *list,
 760                                size_t size)
 761 {
 762         errno = ENOSYS;
 763         return -1;
 764 }
 765
 766 static int skel_removexattr(vfs_handle_struct *handle, const char *path,
 767                             const char *name)
 768 {
 769         errno = ENOSYS;
 770         return -1;
 771 }
 772
 773 static int skel_fremovexattr(vfs_handle_struct *handle,
 774                              struct files_struct *fsp, const char *name)
 775 {
 776         errno = ENOSYS;
 777         return -1;
 778         return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, name);
 779 }
 780
 781 static int skel_setxattr(vfs_handle_struct *handle, const char *path,
 782                          const char *name, const void *value, size_t size,
 783                          int flags)
 784 {
 785         errno = ENOSYS;
 786         return -1;
 787 }
 788
 789 static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,
 790                           const char *name, const void *value, size_t size,
 791                           int flags)
 792 {
 793         errno = ENOSYS;
 794         return -1;
 795 }
 796
 797 static bool skel_aio_force(struct vfs_handle_struct *handle,
 798                            struct files_struct *fsp)
 799 {
 800         errno = ENOSYS;
 801         return false;
 802 }
 803
 804 static bool skel_is_offline(struct vfs_handle_struct *handle,
 805                             const struct smb_filename *fname,
 806                             SMB_STRUCT_STAT *sbuf)
 807 {
 808         errno = ENOSYS;
 809         return false;
 810 }
 811
 812 static int skel_set_offline(struct vfs_handle_struct *handle,
 813                             const struct smb_filename *fname)
 814 {
 815         errno = ENOSYS;
 816         return -1;
 817 }
 818
 819 /* VFS operations structure */
 820
 821 struct vfs_fn_pointers skel_opaque_fns = {
 822         /* Disk operations */
 823
 824         .connect_fn = skel_connect,
 825         .disconnect_fn = skel_disconnect,
 826         .disk_free_fn = skel_disk_free,
 827         .get_quota_fn = skel_get_quota,
 828         .set_quota_fn = skel_set_quota,
 829         .get_shadow_copy_data_fn = skel_get_shadow_copy_data,
 830         .statvfs_fn = skel_statvfs,
 831         .fs_capabilities_fn = skel_fs_capabilities,
 832         .get_dfs_referrals_fn = skel_get_dfs_referrals,
 833
 834         /* Directory operations */
 835
 836         .opendir_fn = skel_opendir,
 837         .fdopendir_fn = skel_fdopendir,
 838         .readdir_fn = skel_readdir,
 839         .seekdir_fn = skel_seekdir,
 840         .telldir_fn = skel_telldir,
 841         .rewind_dir_fn = skel_rewind_dir,
 842         .mkdir_fn = skel_mkdir,
 843         .rmdir_fn = skel_rmdir,
 844         .closedir_fn = skel_closedir,
 845         .init_search_op_fn = skel_init_search_op,
 846
 847         /* File operations */
 848
 849         .open_fn = skel_open,
 850         .create_file_fn = skel_create_file,
 851         .close_fn = skel_close_fn,
 852         .read_fn = skel_vfs_read,
 853         .pread_fn = skel_pread,
 854         .pread_send_fn = skel_pread_send,
 855         .pread_recv_fn = skel_pread_recv,
 856         .write_fn = skel_write,
 857         .pwrite_fn = skel_pwrite,
 858         .pwrite_send_fn = skel_pwrite_send,
 859         .pwrite_recv_fn = skel_pwrite_recv,
 860         .lseek_fn = skel_lseek,
 861         .sendfile_fn = skel_sendfile,
 862         .recvfile_fn = skel_recvfile,
 863         .rename_fn = skel_rename,
 864         .fsync_fn = skel_fsync,
 865         .fsync_send_fn = skel_fsync_send,
 866         .fsync_recv_fn = skel_fsync_recv,
 867         .stat_fn = skel_stat,
 868         .fstat_fn = skel_fstat,
 869         .lstat_fn = skel_lstat,
 870         .get_alloc_size_fn = skel_get_alloc_size,
 871         .unlink_fn = skel_unlink,
 872         .chmod_fn = skel_chmod,
 873         .fchmod_fn = skel_fchmod,
 874         .chown_fn = skel_chown,
 875         .fchown_fn = skel_fchown,
 876         .lchown_fn = skel_lchown,
 877         .chdir_fn = skel_chdir,
 878         .getwd_fn = skel_getwd,
 879         .ntimes_fn = skel_ntimes,
 880         .ftruncate_fn = skel_ftruncate,
 881         .fallocate_fn = skel_fallocate,
 882         .lock_fn = skel_lock,
 883         .kernel_flock_fn = skel_kernel_flock,
 884         .linux_setlease_fn = skel_linux_setlease,
 885         .getlock_fn = skel_getlock,
 886         .symlink_fn = skel_symlink,
 887         .readlink_fn = skel_vfs_readlink,
 888         .link_fn = skel_link,
 889         .mknod_fn = skel_mknod,
 890         .realpath_fn = skel_realpath,
 891         .notify_watch_fn = skel_notify_watch,
 892         .chflags_fn = skel_chflags,
 893         .file_id_create_fn = skel_file_id_create,
 894         .copy_chunk_send_fn = skel_copy_chunk_send,
 895         .copy_chunk_recv_fn = skel_copy_chunk_recv,
 896         .get_compression_fn = skel_get_compression,
 897         .set_compression_fn = skel_set_compression,
 898
 899         .streaminfo_fn = skel_streaminfo,
 900         .get_real_filename_fn = skel_get_real_filename,
 901         .connectpath_fn = skel_connectpath,
 902         .brl_lock_windows_fn = skel_brl_lock_windows,
 903         .brl_unlock_windows_fn = skel_brl_unlock_windows,
 904         .brl_cancel_windows_fn = skel_brl_cancel_windows,
 905         .strict_lock_fn = skel_strict_lock,
 906         .strict_unlock_fn = skel_strict_unlock,
 907         .translate_name_fn = skel_translate_name,
 908         .fsctl_fn = skel_fsctl,
 909         .readdir_attr_fn = skel_readdir_attr,
 910
 911         /* NT ACL operations. */
 912
 913         .fget_nt_acl_fn = skel_fget_nt_acl,
 914         .get_nt_acl_fn = skel_get_nt_acl,
 915         .fset_nt_acl_fn = skel_fset_nt_acl,
 916
 917         /* POSIX ACL operations. */
 918
 919         .chmod_acl_fn = skel_chmod_acl,
 920         .fchmod_acl_fn = skel_fchmod_acl,
 921
 922         .sys_acl_get_file_fn = skel_sys_acl_get_file,
 923         .sys_acl_get_fd_fn = skel_sys_acl_get_fd,
 924         .sys_acl_blob_get_file_fn = skel_sys_acl_blob_get_file,
 925         .sys_acl_blob_get_fd_fn = skel_sys_acl_blob_get_fd,
 926         .sys_acl_set_file_fn = skel_sys_acl_set_file,
 927         .sys_acl_set_fd_fn = skel_sys_acl_set_fd,
 928         .sys_acl_delete_def_file_fn = skel_sys_acl_delete_def_file,
 929
 930         /* EA operations. */
 931         .getxattr_fn = skel_getxattr,
 932         .fgetxattr_fn = skel_fgetxattr,
 933         .listxattr_fn = skel_listxattr,
 934         .flistxattr_fn = skel_flistxattr,
 935         .removexattr_fn = skel_removexattr,
 936         .fremovexattr_fn = skel_fremovexattr,
 937         .setxattr_fn = skel_setxattr,
 938         .fsetxattr_fn = skel_fsetxattr,
 939
 940         /* aio operations */
 941         .aio_force_fn = skel_aio_force,
 942
 943         /* offline operations */
 944         .is_offline_fn = skel_is_offline,
 945         .set_offline_fn = skel_set_offline
 946 };
 947
 948 NTSTATUS vfs_skel_opaque_init(void)
 949 {
 950         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_opaque",
 951                                 &skel_opaque_fns);
 952 }