source3/modules/vfs_not_implemented.c

   1 /*
   2  * VFS module with "not implemented " helper functions for other modules.
   3  *
   4  * Copyright (C) Tim Potter, 1999-2000
   5  * Copyright (C) Alexander Bokovoy, 2002
   6  * Copyright (C) Stefan (metze) Metzmacher, 2003,2018
   7  * Copyright (C) Jeremy Allison 2009
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 3 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23 #include "includes.h"
  24 #include "lib/util/tevent_unix.h"
  25 #include "lib/util/tevent_ntstatus.h"
  26
  27 int vfs_not_implemented_connect(
  28                         vfs_handle_struct *handle,
  29                         const char *service,
  30                         const char *user)
  31 {
  32         errno = ENOSYS;
  33         return -1;
  34 }
  35
  36 void vfs_not_implemented_disconnect(vfs_handle_struct *handle)
  37 {
  38         ;
  39 }
  40
  41 uint64_t vfs_not_implemented_disk_free(vfs_handle_struct *handle,
  42                                 const struct smb_filename *smb_fname,
  43                                 uint64_t *bsize,
  44                                 uint64_t *dfree,
  45                                 uint64_t *dsize)
  46 {
  47         *bsize = 0;
  48         *dfree = 0;
  49         *dsize = 0;
  50         return 0;
  51 }
  52
  53 int vfs_not_implemented_get_quota(vfs_handle_struct *handle,
  54                                 const struct smb_filename *smb_fname,
  55                                 enum SMB_QUOTA_TYPE qtype,
  56                                 unid_t id,
  57                                 SMB_DISK_QUOTA *dq)
  58 {
  59         errno = ENOSYS;
  60         return -1;
  61 }
  62
  63 int vfs_not_implemented_set_quota(vfs_handle_struct *handle,
  64                                   enum SMB_QUOTA_TYPE qtype,
  65                                   unid_t id, SMB_DISK_QUOTA *dq)
  66 {
  67         errno = ENOSYS;
  68         return -1;
  69 }
  70
  71 int vfs_not_implemented_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 int vfs_not_implemented_statvfs(struct vfs_handle_struct *handle,
  81                                 const struct smb_filename *smb_fname,
  82                                 struct vfs_statvfs_struct *statbuf)
  83 {
  84         errno = ENOSYS;
  85         return -1;
  86 }
  87
  88 uint32_t vfs_not_implemented_fs_capabilities(struct vfs_handle_struct *handle,
  89                                 enum timestamp_set_resolution *p_ts_res)
  90 {
  91         return 0;
  92 }
  93
  94 NTSTATUS vfs_not_implemented_get_dfs_referrals(struct vfs_handle_struct *handle,
  95                                                struct dfs_GetDFSReferral *r)
  96 {
  97         return NT_STATUS_NOT_IMPLEMENTED;
  98 }
  99
 100 NTSTATUS vfs_not_implemented_create_dfs_pathat(struct vfs_handle_struct *handle,
 101                                 struct files_struct *dirfsp,
 102                                 const struct smb_filename *smb_fname,
 103                                 const struct referral *reflist,
 104                                 size_t referral_count)
 105 {
 106         return NT_STATUS_NOT_IMPLEMENTED;
 107 }
 108
 109 NTSTATUS vfs_not_implemented_read_dfs_pathat(struct vfs_handle_struct *handle,
 110                                 TALLOC_CTX *mem_ctx,
 111                                 struct files_struct *dirfsp,
 112                                 struct smb_filename *smb_fname,
 113                                 struct referral **ppreflist,
 114                                 size_t *preferral_count)
 115 {
 116         return NT_STATUS_NOT_IMPLEMENTED;
 117 }
 118
 119 NTSTATUS vfs_not_implemented_snap_check_path(struct vfs_handle_struct *handle,
 120                                 TALLOC_CTX *mem_ctx,
 121                                 const char *service_path,
 122                                 char **base_volume)
 123 {
 124         return NT_STATUS_NOT_SUPPORTED;
 125 }
 126
 127 NTSTATUS vfs_not_implemented_snap_create(struct vfs_handle_struct *handle,
 128                                          TALLOC_CTX *mem_ctx,
 129                                          const char *base_volume,
 130                                          time_t *tstamp,
 131                                          bool rw,
 132                                          char **base_path,
 133                                          char **snap_path)
 134 {
 135         return NT_STATUS_NOT_SUPPORTED;
 136 }
 137
 138 NTSTATUS vfs_not_implemented_snap_delete(struct vfs_handle_struct *handle,
 139                                          TALLOC_CTX *mem_ctx,
 140                                          char *base_path,
 141                                          char *snap_path)
 142 {
 143         return NT_STATUS_NOT_SUPPORTED;
 144 }
 145
 146 DIR *vfs_not_implemented_fdopendir(vfs_handle_struct *handle, files_struct *fsp,
 147                                    const char *mask, uint32_t attr)
 148 {
 149         errno = ENOSYS;
 150         return NULL;
 151 }
 152
 153 struct dirent *vfs_not_implemented_readdir(vfs_handle_struct *handle,
 154                                            struct files_struct *dirfsp,
 155                                            DIR *dirp,
 156                                            SMB_STRUCT_STAT *sbuf)
 157 {
 158         errno = ENOSYS;
 159         return NULL;
 160 }
 161
 162 void vfs_not_implemented_seekdir(vfs_handle_struct *handle, DIR *dirp, long offset)
 163 {
 164         ;
 165 }
 166
 167 long vfs_not_implemented_telldir(vfs_handle_struct *handle, DIR *dirp)
 168 {
 169         errno = ENOSYS;
 170         return (long)-1;
 171 }
 172
 173 void vfs_not_implemented_rewind_dir(vfs_handle_struct *handle, DIR *dirp)
 174 {
 175         ;
 176 }
 177
 178 int vfs_not_implemented_mkdirat(vfs_handle_struct *handle,
 179                 struct files_struct *dirfsp,
 180                 const struct smb_filename *smb_fname,
 181                 mode_t mode)
 182 {
 183         errno = ENOSYS;
 184         return -1;
 185 }
 186
 187 int vfs_not_implemented_closedir(vfs_handle_struct *handle, DIR *dir)
 188 {
 189         errno = ENOSYS;
 190         return -1;
 191 }
 192
 193 int vfs_not_implemented_openat(vfs_handle_struct *handle,
 194                                const struct files_struct *dirfsp,
 195                                const struct smb_filename *smb_fname,
 196                                struct files_struct *fsp,
 197                                int flags,
 198                                mode_t mode)
 199 {
 200         errno = ENOSYS;
 201         return -1;
 202 }
 203
 204 NTSTATUS vfs_not_implemented_create_file(struct vfs_handle_struct *handle,
 205                                 struct smb_request *req,
 206                                 struct smb_filename *smb_fname,
 207                                 uint32_t access_mask,
 208                                 uint32_t share_access,
 209                                 uint32_t create_disposition,
 210                                 uint32_t create_options,
 211                                 uint32_t file_attributes,
 212                                 uint32_t oplock_request,
 213                                 const struct smb2_lease *lease,
 214                                 uint64_t allocation_size,
 215                                 uint32_t private_flags,
 216                                 struct security_descriptor *sd,
 217                                 struct ea_list *ea_list,
 218                                 files_struct **result, int *pinfo,
 219                                 const struct smb2_create_blobs *in_context_blobs,
 220                                 struct smb2_create_blobs *out_context_blobs)
 221 {
 222         return NT_STATUS_NOT_IMPLEMENTED;
 223 }
 224
 225 int vfs_not_implemented_close_fn(vfs_handle_struct *handle, files_struct *fsp)
 226 {
 227         errno = ENOSYS;
 228         return -1;
 229 }
 230
 231 ssize_t vfs_not_implemented_pread(vfs_handle_struct *handle, files_struct *fsp,
 232                                   void *data, size_t n, off_t offset)
 233 {
 234         errno = ENOSYS;
 235         return -1;
 236 }
 237
 238 struct tevent_req *vfs_not_implemented_pread_send(struct vfs_handle_struct *handle,
 239                                                   TALLOC_CTX *mem_ctx,
 240                                                   struct tevent_context *ev,
 241                                                   struct files_struct *fsp,
 242                                                   void *data, size_t n, off_t offset)
 243 {
 244         return NULL;
 245 }
 246
 247 ssize_t vfs_not_implemented_pread_recv(struct tevent_req *req,
 248                                        struct vfs_aio_state *vfs_aio_state)
 249 {
 250         vfs_aio_state->error = ENOSYS;
 251         return -1;
 252 }
 253
 254 ssize_t vfs_not_implemented_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 struct tevent_req *vfs_not_implemented_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 ssize_t vfs_not_implemented_pwrite_recv(struct tevent_req *req,
 272                                 struct vfs_aio_state *vfs_aio_state)
 273 {
 274         vfs_aio_state->error = ENOSYS;
 275         return -1;
 276 }
 277
 278 off_t vfs_not_implemented_lseek(vfs_handle_struct *handle, files_struct *fsp,
 279                         off_t offset, int whence)
 280 {
 281         errno = ENOSYS;
 282         return (off_t) - 1;
 283 }
 284
 285 ssize_t vfs_not_implemented_sendfile(vfs_handle_struct *handle, int tofd,
 286                                      files_struct *fromfsp, const DATA_BLOB *hdr,
 287                                      off_t offset, size_t n)
 288 {
 289         errno = ENOSYS;
 290         return -1;
 291 }
 292
 293 ssize_t vfs_not_implemented_recvfile(vfs_handle_struct *handle, int fromfd,
 294                                      files_struct *tofsp, off_t offset, size_t n)
 295 {
 296         errno = ENOSYS;
 297         return -1;
 298 }
 299
 300 int vfs_not_implemented_renameat(vfs_handle_struct *handle,
 301                                files_struct *srcfsp,
 302                                const struct smb_filename *smb_fname_src,
 303                                files_struct *dstfsp,
 304                                const struct smb_filename *smb_fname_dst)
 305 {
 306         errno = ENOSYS;
 307         return -1;
 308 }
 309
 310 struct tevent_req *vfs_not_implemented_fsync_send(struct vfs_handle_struct *handle,
 311                                                   TALLOC_CTX *mem_ctx,
 312                                                   struct tevent_context *ev,
 313                                                   struct files_struct *fsp)
 314 {
 315         return NULL;
 316 }
 317
 318 int vfs_not_implemented_fsync_recv(struct tevent_req *req,
 319                                    struct vfs_aio_state *vfs_aio_state)
 320 {
 321         vfs_aio_state->error = ENOSYS;
 322         return -1;
 323 }
 324
 325 int vfs_not_implemented_stat(vfs_handle_struct *handle, struct smb_filename *smb_fname)
 326 {
 327         errno = ENOSYS;
 328         return -1;
 329 }
 330
 331 int vfs_not_implemented_fstat(vfs_handle_struct *handle, files_struct *fsp,
 332                         SMB_STRUCT_STAT *sbuf)
 333 {
 334         errno = ENOSYS;
 335         return -1;
 336 }
 337
 338 int vfs_not_implemented_lstat(vfs_handle_struct *handle,
 339                               struct smb_filename *smb_fname)
 340 {
 341         errno = ENOSYS;
 342         return -1;
 343 }
 344
 345 uint64_t vfs_not_implemented_get_alloc_size(struct vfs_handle_struct *handle,
 346                                             struct files_struct *fsp,
 347                                             const SMB_STRUCT_STAT *sbuf)
 348 {
 349         errno = ENOSYS;
 350         return -1;
 351 }
 352
 353 int vfs_not_implemented_unlinkat(vfs_handle_struct *handle,
 354                         struct files_struct *dirfsp,
 355                         const struct smb_filename *smb_fname,
 356                         int flags)
 357 {
 358         errno = ENOSYS;
 359         return -1;
 360 }
 361
 362 int vfs_not_implemented_chmod(vfs_handle_struct *handle,
 363                               const struct smb_filename *smb_fname,
 364                               mode_t mode)
 365 {
 366         errno = ENOSYS;
 367         return -1;
 368 }
 369
 370 int vfs_not_implemented_fchmod(vfs_handle_struct *handle, files_struct *fsp,
 371                                mode_t mode)
 372 {
 373         errno = ENOSYS;
 374         return -1;
 375 }
 376
 377 int vfs_not_implemented_fchown(vfs_handle_struct *handle, files_struct *fsp,
 378                                uid_t uid, gid_t gid)
 379 {
 380         errno = ENOSYS;
 381         return -1;
 382 }
 383
 384 int vfs_not_implemented_lchown(vfs_handle_struct *handle,
 385                                const struct smb_filename *smb_fname,
 386                                uid_t uid,
 387                                gid_t gid)
 388 {
 389         errno = ENOSYS;
 390         return -1;
 391 }
 392
 393 int vfs_not_implemented_chdir(vfs_handle_struct *handle,
 394                               const struct smb_filename *smb_fname)
 395 {
 396         errno = ENOSYS;
 397         return -1;
 398 }
 399
 400 struct smb_filename *vfs_not_implemented_getwd(vfs_handle_struct *handle,
 401                                                TALLOC_CTX *ctx)
 402 {
 403         errno = ENOSYS;
 404         return NULL;
 405 }
 406
 407 int vfs_not_implemented_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 int vfs_not_implemented_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
 416                                   off_t offset)
 417 {
 418         errno = ENOSYS;
 419         return -1;
 420 }
 421
 422 int vfs_not_implemented_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 bool vfs_not_implemented_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 int vfs_not_implemented_kernel_flock(struct vfs_handle_struct *handle,
 437                                      struct files_struct *fsp,
 438                                      uint32_t share_access, uint32_t access_mask)
 439 {
 440         errno = ENOSYS;
 441         return -1;
 442 }
 443
 444 int vfs_not_implemented_fcntl(struct vfs_handle_struct *handle,
 445                               struct files_struct *fsp, int cmd,
 446                               va_list cmd_arg)
 447 {
 448         errno = ENOSYS;
 449         return -1;
 450 }
 451
 452 int vfs_not_implemented_linux_setlease(struct vfs_handle_struct *handle,
 453                                        struct files_struct *fsp, int leasetype)
 454 {
 455         errno = ENOSYS;
 456         return -1;
 457 }
 458
 459 bool vfs_not_implemented_getlock(vfs_handle_struct *handle, files_struct *fsp,
 460                                  off_t *poffset, off_t *pcount, int *ptype,
 461                                  pid_t *ppid)
 462 {
 463         errno = ENOSYS;
 464         return false;
 465 }
 466
 467 int vfs_not_implemented_symlinkat(vfs_handle_struct *handle,
 468                                 const struct smb_filename *link_contents,
 469                                 struct files_struct *dirfsp,
 470                                 const struct smb_filename *new_smb_fname)
 471 {
 472         errno = ENOSYS;
 473         return -1;
 474 }
 475
 476 int vfs_not_implemented_vfs_readlinkat(vfs_handle_struct *handle,
 477                         const struct files_struct *dirfsp,
 478                         const struct smb_filename *smb_fname,
 479                         char *buf,
 480                         size_t bufsiz)
 481 {
 482         errno = ENOSYS;
 483         return -1;
 484 }
 485
 486 int vfs_not_implemented_linkat(vfs_handle_struct *handle,
 487                         files_struct *srcfsp,
 488                         const struct smb_filename *old_smb_fname,
 489                         files_struct *dstfsp,
 490                         const struct smb_filename *new_smb_fname,
 491                         int flags)
 492 {
 493         errno = ENOSYS;
 494         return -1;
 495 }
 496
 497 int vfs_not_implemented_mknodat(vfs_handle_struct *handle,
 498                         files_struct *dirfsp,
 499                         const struct smb_filename *smb_fname,
 500                         mode_t mode,
 501                         SMB_DEV_T dev)
 502 {
 503         errno = ENOSYS;
 504         return -1;
 505 }
 506
 507 struct smb_filename *vfs_not_implemented_realpath(vfs_handle_struct *handle,
 508                                                   TALLOC_CTX *ctx,
 509                                                   const struct smb_filename *smb_fname)
 510 {
 511         errno = ENOSYS;
 512         return NULL;
 513 }
 514
 515 int vfs_not_implemented_chflags(vfs_handle_struct *handle,
 516                                 const struct smb_filename *smb_fname,
 517                                 uint flags)
 518 {
 519         errno = ENOSYS;
 520         return -1;
 521 }
 522
 523 struct file_id vfs_not_implemented_file_id_create(vfs_handle_struct *handle,
 524                                                   const SMB_STRUCT_STAT *sbuf)
 525 {
 526         struct file_id id;
 527         ZERO_STRUCT(id);
 528         errno = ENOSYS;
 529         return id;
 530 }
 531
 532 uint64_t vfs_not_implemented_fs_file_id(vfs_handle_struct *handle,
 533                                         const SMB_STRUCT_STAT *sbuf)
 534 {
 535         errno = ENOSYS;
 536         return 0;
 537 }
 538
 539 struct vfs_not_implemented_offload_read_state {
 540         bool dummy;
 541 };
 542
 543 struct tevent_req *vfs_not_implemented_offload_read_send(
 544                         TALLOC_CTX *mem_ctx,
 545                         struct tevent_context *ev,
 546                         struct vfs_handle_struct *handle,
 547                         struct files_struct *fsp,
 548                         uint32_t fsctl,
 549                         uint32_t ttl,
 550                         off_t offset,
 551                         size_t to_copy)
 552 {
 553         struct tevent_req *req = NULL;
 554         struct vfs_not_implemented_offload_read_state *state = NULL;
 555
 556         req = tevent_req_create(mem_ctx, &state,
 557                                 struct vfs_not_implemented_offload_read_state);
 558         if (req == NULL) {
 559                 return NULL;
 560         }
 561
 562         tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
 563         return tevent_req_post(req, ev);
 564 }
 565
 566 NTSTATUS vfs_not_implemented_offload_read_recv(struct tevent_req *req,
 567                                        struct vfs_handle_struct *handle,
 568                                        TALLOC_CTX *mem_ctx,
 569                                        DATA_BLOB *_token_blob)
 570 {
 571         NTSTATUS status;
 572
 573         if (tevent_req_is_nterror(req, &status)) {
 574                 tevent_req_received(req);
 575                 return status;
 576         }
 577
 578         tevent_req_received(req);
 579         return NT_STATUS_OK;
 580 }
 581
 582 struct vfs_not_implemented_offload_write_state {
 583         uint64_t unused;
 584 };
 585
 586 struct tevent_req *vfs_not_implemented_offload_write_send(
 587                         struct vfs_handle_struct *handle,
 588                         TALLOC_CTX *mem_ctx,
 589                         struct tevent_context *ev,
 590                         uint32_t fsctl,
 591                         DATA_BLOB *token,
 592                         off_t transfer_offset,
 593                         struct files_struct *dest_fsp,
 594                         off_t dest_off,
 595                         off_t num)
 596 {
 597         struct tevent_req *req;
 598         struct vfs_not_implemented_offload_write_state *state;
 599
 600         req = tevent_req_create(mem_ctx, &state,
 601                                 struct vfs_not_implemented_offload_write_state);
 602         if (req == NULL) {
 603                 return NULL;
 604         }
 605
 606         tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
 607         return tevent_req_post(req, ev);
 608 }
 609
 610 NTSTATUS vfs_not_implemented_offload_write_recv(struct vfs_handle_struct *handle,
 611                                                 struct tevent_req *req,
 612                                                 off_t *copied)
 613 {
 614         NTSTATUS status;
 615
 616         if (tevent_req_is_nterror(req, &status)) {
 617                 tevent_req_received(req);
 618                 return status;
 619         }
 620
 621         tevent_req_received(req);
 622         return NT_STATUS_OK;
 623 }
 624
 625 NTSTATUS vfs_not_implemented_fget_compression(struct vfs_handle_struct *handle,
 626                                              TALLOC_CTX *mem_ctx,
 627                                              struct files_struct *fsp,
 628                                              uint16_t *_compression_fmt)
 629 {
 630         return NT_STATUS_INVALID_DEVICE_REQUEST;
 631 }
 632
 633 NTSTATUS vfs_not_implemented_set_compression(struct vfs_handle_struct *handle,
 634                                              TALLOC_CTX *mem_ctx,
 635                                              struct files_struct *fsp,
 636                                              uint16_t compression_fmt)
 637 {
 638         return NT_STATUS_INVALID_DEVICE_REQUEST;
 639 }
 640
 641 NTSTATUS vfs_not_implemented_streaminfo(struct vfs_handle_struct *handle,
 642                                         struct files_struct *fsp,
 643                                         const struct smb_filename *smb_fname,
 644                                         TALLOC_CTX *mem_ctx,
 645                                         unsigned int *num_streams,
 646                                         struct stream_struct **streams)
 647 {
 648         return NT_STATUS_NOT_IMPLEMENTED;
 649 }
 650
 651 int vfs_not_implemented_get_real_filename(struct vfs_handle_struct *handle,
 652                                           const struct smb_filename *path,
 653                                           const char *name,
 654                                           TALLOC_CTX *mem_ctx,
 655                                           char **found_name)
 656 {
 657         errno = ENOSYS;
 658         return -1;
 659 }
 660
 661 const char *vfs_not_implemented_connectpath(struct vfs_handle_struct *handle,
 662                                             const struct smb_filename *smb_fname)
 663 {
 664         errno = ENOSYS;
 665         return NULL;
 666 }
 667
 668 NTSTATUS vfs_not_implemented_brl_lock_windows(struct vfs_handle_struct *handle,
 669                                               struct byte_range_lock *br_lck,
 670                                               struct lock_struct *plock)
 671 {
 672         return NT_STATUS_NOT_IMPLEMENTED;
 673 }
 674
 675 bool vfs_not_implemented_brl_unlock_windows(struct vfs_handle_struct *handle,
 676                                             struct byte_range_lock *br_lck,
 677                                             const struct lock_struct *plock)
 678 {
 679         errno = ENOSYS;
 680         return false;
 681 }
 682
 683 bool vfs_not_implemented_strict_lock_check(struct vfs_handle_struct *handle,
 684                                            struct files_struct *fsp,
 685                                            struct lock_struct *plock)
 686 {
 687         errno = ENOSYS;
 688         return false;
 689 }
 690
 691 NTSTATUS vfs_not_implemented_translate_name(struct vfs_handle_struct *handle,
 692                                             const char *mapped_name,
 693                                             enum vfs_translate_direction direction,
 694                                             TALLOC_CTX *mem_ctx, char **pmapped_name)
 695 {
 696         return NT_STATUS_NOT_IMPLEMENTED;
 697 }
 698
 699 NTSTATUS vfs_not_implemented_fsctl(struct vfs_handle_struct *handle,
 700                                    struct files_struct *fsp,
 701                                    TALLOC_CTX *ctx,
 702                                    uint32_t function,
 703                                    uint16_t req_flags,  /* Needed for UNICODE ... */
 704                                    const uint8_t *_in_data,
 705                                    uint32_t in_len,
 706                                    uint8_t **_out_data,
 707                                    uint32_t max_out_len, uint32_t *out_len)
 708 {
 709         return NT_STATUS_NOT_IMPLEMENTED;
 710 }
 711
 712 NTSTATUS vfs_not_implemented_readdir_attr(struct vfs_handle_struct *handle,
 713                                           const struct smb_filename *fname,
 714                                           TALLOC_CTX *mem_ctx,
 715                                           struct readdir_attr_data **pattr_data)
 716 {
 717         return NT_STATUS_NOT_IMPLEMENTED;
 718 }
 719
 720 struct vfs_not_implemented_get_dos_attributes_state {
 721         struct vfs_aio_state aio_state;
 722         uint32_t dosmode;
 723 };
 724
 725 struct tevent_req *vfs_not_implemented_get_dos_attributes_send(
 726                         TALLOC_CTX *mem_ctx,
 727                         struct tevent_context *ev,
 728                         struct vfs_handle_struct *handle,
 729                         files_struct *dir_fsp,
 730                         struct smb_filename *smb_fname)
 731 {
 732         struct tevent_req *req = NULL;
 733         struct vfs_not_implemented_get_dos_attributes_state *state = NULL;
 734
 735         req = tevent_req_create(mem_ctx, &state,
 736                         struct vfs_not_implemented_get_dos_attributes_state);
 737         if (req == NULL) {
 738                 return NULL;
 739         }
 740
 741         tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
 742         return tevent_req_post(req, ev);
 743 }
 744
 745 NTSTATUS vfs_not_implemented_get_dos_attributes_recv(
 746                         struct tevent_req *req,
 747                         struct vfs_aio_state *aio_state,
 748                         uint32_t *dosmode)
 749 {
 750         struct vfs_not_implemented_get_dos_attributes_state *state =
 751                 tevent_req_data(req,
 752                 struct vfs_not_implemented_get_dos_attributes_state);
 753         NTSTATUS status;
 754
 755         if (tevent_req_is_nterror(req, &status)) {
 756                 tevent_req_received(req);
 757                 return status;
 758         }
 759
 760         *aio_state = state->aio_state;
 761         *dosmode = state->dosmode;
 762         tevent_req_received(req);
 763         return NT_STATUS_OK;
 764 }
 765
 766 NTSTATUS vfs_not_implemented_fget_dos_attributes(struct vfs_handle_struct *handle,
 767                                                  struct files_struct *fsp,
 768                                                  uint32_t *dosmode)
 769 {
 770         return NT_STATUS_NOT_IMPLEMENTED;
 771 }
 772
 773 NTSTATUS vfs_not_implemented_set_dos_attributes(struct vfs_handle_struct *handle,
 774                                                 const struct smb_filename *smb_fname,
 775                                                 uint32_t dosmode)
 776 {
 777         return NT_STATUS_NOT_IMPLEMENTED;
 778 }
 779
 780 NTSTATUS vfs_not_implemented_fset_dos_attributes(struct vfs_handle_struct *handle,
 781                                                  struct files_struct *fsp,
 782                                                  uint32_t dosmode)
 783 {
 784         return NT_STATUS_NOT_IMPLEMENTED;
 785 }
 786
 787 NTSTATUS vfs_not_implemented_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 788                                          uint32_t security_info,
 789                                          TALLOC_CTX *mem_ctx,
 790                                          struct security_descriptor **ppdesc)
 791 {
 792         return NT_STATUS_NOT_IMPLEMENTED;
 793 }
 794
 795 NTSTATUS vfs_not_implemented_get_nt_acl_at(vfs_handle_struct *handle,
 796                                         struct files_struct *dirfsp,
 797                                         const struct smb_filename *smb_fname,
 798                                         uint32_t security_info,
 799                                         TALLOC_CTX *mem_ctx,
 800                                         struct security_descriptor **ppdesc)
 801 {
 802         return NT_STATUS_NOT_IMPLEMENTED;
 803 }
 804
 805 NTSTATUS vfs_not_implemented_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 806                                          uint32_t security_info_sent,
 807                                          const struct security_descriptor *psd)
 808 {
 809         return NT_STATUS_NOT_IMPLEMENTED;
 810 }
 811
 812 SMB_ACL_T vfs_not_implemented_sys_acl_get_file(vfs_handle_struct *handle,
 813                                                const struct smb_filename *smb_fname,
 814                                                SMB_ACL_TYPE_T type,
 815                                                TALLOC_CTX *mem_ctx)
 816 {
 817         errno = ENOSYS;
 818         return (SMB_ACL_T) NULL;
 819 }
 820
 821 SMB_ACL_T vfs_not_implemented_sys_acl_get_fd(vfs_handle_struct *handle,
 822                                              files_struct *fsp, TALLOC_CTX *mem_ctx)
 823 {
 824         errno = ENOSYS;
 825         return (SMB_ACL_T) NULL;
 826 }
 827
 828 int vfs_not_implemented_sys_acl_blob_get_file(vfs_handle_struct *handle,
 829                                 const struct smb_filename *smb_fname,
 830                                 TALLOC_CTX *mem_ctx,
 831                                 char **blob_description,
 832                                 DATA_BLOB *blob)
 833 {
 834         errno = ENOSYS;
 835         return -1;
 836 }
 837
 838 int vfs_not_implemented_sys_acl_blob_get_fd(vfs_handle_struct *handle,
 839                                 files_struct *fsp, TALLOC_CTX *mem_ctx,
 840                                 char **blob_description, DATA_BLOB *blob)
 841 {
 842         errno = ENOSYS;
 843         return -1;
 844 }
 845
 846 int vfs_not_implemented_sys_acl_set_file(vfs_handle_struct *handle,
 847                                 const struct smb_filename *smb_fname,
 848                                 SMB_ACL_TYPE_T acltype,
 849                                 SMB_ACL_T theacl)
 850 {
 851         errno = ENOSYS;
 852         return -1;
 853 }
 854
 855 int vfs_not_implemented_sys_acl_set_fd(vfs_handle_struct *handle,
 856                                        struct files_struct *fsp,
 857                                        SMB_ACL_TYPE_T type,
 858                                        SMB_ACL_T theacl)
 859 {
 860         errno = ENOSYS;
 861         return -1;
 862 }
 863
 864 int vfs_not_implemented_sys_acl_delete_def_file(vfs_handle_struct *handle,
 865                                         const struct smb_filename *smb_fname)
 866 {
 867         errno = ENOSYS;
 868         return -1;
 869 }
 870
 871 ssize_t vfs_not_implemented_getxattr(vfs_handle_struct *handle,
 872                                 const struct smb_filename *smb_fname,
 873                                 const char *name,
 874                                 void *value,
 875                                 size_t size)
 876 {
 877         errno = ENOSYS;
 878         return -1;
 879 }
 880
 881 struct vfs_not_implemented_getxattrat_state {
 882         struct vfs_aio_state aio_state;
 883         ssize_t xattr_size;
 884         uint8_t *xattr_value;
 885 };
 886
 887 struct tevent_req *vfs_not_implemented_getxattrat_send(
 888                         TALLOC_CTX *mem_ctx,
 889                         struct tevent_context *ev,
 890                         struct vfs_handle_struct *handle,
 891                         files_struct *dir_fsp,
 892                         const struct smb_filename *smb_fname,
 893                         const char *xattr_name,
 894                         size_t alloc_hint)
 895 {
 896         struct tevent_req *req = NULL;
 897         struct vfs_not_implemented_getxattrat_state *state = NULL;
 898
 899         req = tevent_req_create(mem_ctx, &state,
 900                                 struct vfs_not_implemented_getxattrat_state);
 901         if (req == NULL) {
 902                 return NULL;
 903         }
 904
 905         tevent_req_error(req, ENOSYS);
 906         return tevent_req_post(req, ev);
 907 }
 908
 909 ssize_t vfs_not_implemented_getxattrat_recv(struct tevent_req *req,
 910                                     struct vfs_aio_state *aio_state,
 911                                     TALLOC_CTX *mem_ctx,
 912                                     uint8_t **xattr_value)
 913 {
 914         struct vfs_not_implemented_getxattrat_state *state = tevent_req_data(
 915                 req, struct vfs_not_implemented_getxattrat_state);
 916         ssize_t xattr_size;
 917
 918         if (tevent_req_is_unix_error(req, &aio_state->error)) {
 919                 tevent_req_received(req);
 920                 return -1;
 921         }
 922
 923         *aio_state = state->aio_state;
 924         xattr_size = state->xattr_size;
 925         if (xattr_value != NULL) {
 926                 *xattr_value = talloc_move(mem_ctx, &state->xattr_value);
 927         }
 928
 929         tevent_req_received(req);
 930         return xattr_size;
 931 }
 932
 933 ssize_t vfs_not_implemented_fgetxattr(vfs_handle_struct *handle,
 934                               struct files_struct *fsp, const char *name,
 935                               void *value, size_t size)
 936 {
 937         errno = ENOSYS;
 938         return -1;
 939 }
 940
 941 ssize_t vfs_not_implemented_listxattr(vfs_handle_struct *handle,
 942                                       const struct smb_filename *smb_fname,
 943                                       char *list,
 944                                       size_t size)
 945 {
 946         errno = ENOSYS;
 947         return -1;
 948 }
 949
 950 ssize_t vfs_not_implemented_flistxattr(vfs_handle_struct *handle,
 951                                        struct files_struct *fsp, char *list,
 952                                        size_t size)
 953 {
 954         errno = ENOSYS;
 955         return -1;
 956 }
 957
 958 int vfs_not_implemented_removexattr(vfs_handle_struct *handle,
 959                                     const struct smb_filename *smb_fname,
 960                                     const char *name)
 961 {
 962         errno = ENOSYS;
 963         return -1;
 964 }
 965
 966 int vfs_not_implemented_fremovexattr(vfs_handle_struct *handle,
 967                                      struct files_struct *fsp, const char *name)
 968 {
 969         errno = ENOSYS;
 970         return -1;
 971 }
 972
 973 int vfs_not_implemented_setxattr(vfs_handle_struct *handle,
 974                                  const struct smb_filename *smb_fname,
 975                                  const char *name,
 976                                  const void *value,
 977                                  size_t size,
 978                                  int flags)
 979 {
 980         errno = ENOSYS;
 981         return -1;
 982 }
 983
 984 int vfs_not_implemented_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,
 985                                   const char *name, const void *value, size_t size,
 986                                   int flags)
 987 {
 988         errno = ENOSYS;
 989         return -1;
 990 }
 991
 992 bool vfs_not_implemented_aio_force(struct vfs_handle_struct *handle,
 993                                    struct files_struct *fsp)
 994 {
 995         errno = ENOSYS;
 996         return false;
 997 }
 998
 999 NTSTATUS vfs_not_implemented_audit_file(struct vfs_handle_struct *handle,
1000                                         struct smb_filename *file,
1001                                         struct security_acl *sacl,
1002                                         uint32_t access_requested,
1003                                         uint32_t access_denied)
1004 {
1005         return NT_STATUS_NOT_IMPLEMENTED;
1006 }
1007
1008 NTSTATUS vfs_not_implemented_durable_cookie(struct vfs_handle_struct *handle,
1009                                             struct files_struct *fsp,
1010                                             TALLOC_CTX *mem_ctx,
1011                                             DATA_BLOB *cookie)
1012 {
1013         return NT_STATUS_NOT_IMPLEMENTED;
1014 }
1015
1016 NTSTATUS vfs_not_implemented_durable_disconnect(struct vfs_handle_struct *handle,
1017                                                 struct files_struct *fsp,
1018                                                 const DATA_BLOB old_cookie,
1019                                                 TALLOC_CTX *mem_ctx,
1020                                                 DATA_BLOB *new_cookie)
1021 {
1022         return NT_STATUS_NOT_IMPLEMENTED;
1023 }
1024
1025 NTSTATUS vfs_not_implemented_durable_reconnect(struct vfs_handle_struct *handle,
1026                                                struct smb_request *smb1req,
1027                                                struct smbXsrv_open *op,
1028                                                const DATA_BLOB old_cookie,
1029                                                TALLOC_CTX *mem_ctx,
1030                                                struct files_struct **fsp,
1031                                                DATA_BLOB *new_cookie)
1032 {
1033         return NT_STATUS_NOT_IMPLEMENTED;
1034 }
1035
1036 /* VFS operations structure */
1037
1038 static struct vfs_fn_pointers vfs_not_implemented_fns = {
1039         /* Disk operations */
1040
1041         .connect_fn = vfs_not_implemented_connect,
1042         .disconnect_fn = vfs_not_implemented_disconnect,
1043         .disk_free_fn = vfs_not_implemented_disk_free,
1044         .get_quota_fn = vfs_not_implemented_get_quota,
1045         .set_quota_fn = vfs_not_implemented_set_quota,
1046         .get_shadow_copy_data_fn = vfs_not_implemented_get_shadow_copy_data,
1047         .statvfs_fn = vfs_not_implemented_statvfs,
1048         .fs_capabilities_fn = vfs_not_implemented_fs_capabilities,
1049         .get_dfs_referrals_fn = vfs_not_implemented_get_dfs_referrals,
1050         .create_dfs_pathat_fn = vfs_not_implemented_create_dfs_pathat,
1051         .read_dfs_pathat_fn = vfs_not_implemented_read_dfs_pathat,
1052         .snap_check_path_fn = vfs_not_implemented_snap_check_path,
1053         .snap_create_fn = vfs_not_implemented_snap_create,
1054         .snap_delete_fn = vfs_not_implemented_snap_delete,
1055
1056         /* Directory operations */
1057
1058         .fdopendir_fn = vfs_not_implemented_fdopendir,
1059         .readdir_fn = vfs_not_implemented_readdir,
1060         .seekdir_fn = vfs_not_implemented_seekdir,
1061         .telldir_fn = vfs_not_implemented_telldir,
1062         .rewind_dir_fn = vfs_not_implemented_rewind_dir,
1063         .mkdirat_fn = vfs_not_implemented_mkdirat,
1064         .closedir_fn = vfs_not_implemented_closedir,
1065
1066         /* File operations */
1067
1068         .openat_fn = vfs_not_implemented_openat,
1069         .create_file_fn = vfs_not_implemented_create_file,
1070         .close_fn = vfs_not_implemented_close_fn,
1071         .pread_fn = vfs_not_implemented_pread,
1072         .pread_send_fn = vfs_not_implemented_pread_send,
1073         .pread_recv_fn = vfs_not_implemented_pread_recv,
1074         .pwrite_fn = vfs_not_implemented_pwrite,
1075         .pwrite_send_fn = vfs_not_implemented_pwrite_send,
1076         .pwrite_recv_fn = vfs_not_implemented_pwrite_recv,
1077         .lseek_fn = vfs_not_implemented_lseek,
1078         .sendfile_fn = vfs_not_implemented_sendfile,
1079         .recvfile_fn = vfs_not_implemented_recvfile,
1080         .renameat_fn = vfs_not_implemented_renameat,
1081         .fsync_send_fn = vfs_not_implemented_fsync_send,
1082         .fsync_recv_fn = vfs_not_implemented_fsync_recv,
1083         .stat_fn = vfs_not_implemented_stat,
1084         .fstat_fn = vfs_not_implemented_fstat,
1085         .lstat_fn = vfs_not_implemented_lstat,
1086         .get_alloc_size_fn = vfs_not_implemented_get_alloc_size,
1087         .unlinkat_fn = vfs_not_implemented_unlinkat,
1088         .chmod_fn = vfs_not_implemented_chmod,
1089         .fchmod_fn = vfs_not_implemented_fchmod,
1090         .fchown_fn = vfs_not_implemented_fchown,
1091         .lchown_fn = vfs_not_implemented_lchown,
1092         .chdir_fn = vfs_not_implemented_chdir,
1093         .getwd_fn = vfs_not_implemented_getwd,
1094         .ntimes_fn = vfs_not_implemented_ntimes,
1095         .ftruncate_fn = vfs_not_implemented_ftruncate,
1096         .fallocate_fn = vfs_not_implemented_fallocate,
1097         .lock_fn = vfs_not_implemented_lock,
1098         .kernel_flock_fn = vfs_not_implemented_kernel_flock,
1099         .fcntl_fn = vfs_not_implemented_fcntl,
1100         .linux_setlease_fn = vfs_not_implemented_linux_setlease,
1101         .getlock_fn = vfs_not_implemented_getlock,
1102         .symlinkat_fn = vfs_not_implemented_symlinkat,
1103         .readlinkat_fn = vfs_not_implemented_vfs_readlinkat,
1104         .linkat_fn = vfs_not_implemented_linkat,
1105         .mknodat_fn = vfs_not_implemented_mknodat,
1106         .realpath_fn = vfs_not_implemented_realpath,
1107         .chflags_fn = vfs_not_implemented_chflags,
1108         .file_id_create_fn = vfs_not_implemented_file_id_create,
1109         .fs_file_id_fn = vfs_not_implemented_fs_file_id,
1110         .offload_read_send_fn = vfs_not_implemented_offload_read_send,
1111         .offload_read_recv_fn = vfs_not_implemented_offload_read_recv,
1112         .offload_write_send_fn = vfs_not_implemented_offload_write_send,
1113         .offload_write_recv_fn = vfs_not_implemented_offload_write_recv,
1114         .fget_compression_fn = vfs_not_implemented_fget_compression,
1115         .set_compression_fn = vfs_not_implemented_set_compression,
1116
1117         .streaminfo_fn = vfs_not_implemented_streaminfo,
1118         .get_real_filename_fn = vfs_not_implemented_get_real_filename,
1119         .connectpath_fn = vfs_not_implemented_connectpath,
1120         .brl_lock_windows_fn = vfs_not_implemented_brl_lock_windows,
1121         .brl_unlock_windows_fn = vfs_not_implemented_brl_unlock_windows,
1122         .strict_lock_check_fn = vfs_not_implemented_strict_lock_check,
1123         .translate_name_fn = vfs_not_implemented_translate_name,
1124         .fsctl_fn = vfs_not_implemented_fsctl,
1125         .readdir_attr_fn = vfs_not_implemented_readdir_attr,
1126         .audit_file_fn = vfs_not_implemented_audit_file,
1127
1128         /* DOS attributes. */
1129         .get_dos_attributes_send_fn = vfs_not_implemented_get_dos_attributes_send,
1130         .get_dos_attributes_recv_fn = vfs_not_implemented_get_dos_attributes_recv,
1131         .fget_dos_attributes_fn = vfs_not_implemented_fget_dos_attributes,
1132         .set_dos_attributes_fn = vfs_not_implemented_set_dos_attributes,
1133         .fset_dos_attributes_fn = vfs_not_implemented_fset_dos_attributes,
1134
1135         /* NT ACL operations. */
1136
1137         .fget_nt_acl_fn = vfs_not_implemented_fget_nt_acl,
1138         .get_nt_acl_at_fn = vfs_not_implemented_get_nt_acl_at,
1139         .fset_nt_acl_fn = vfs_not_implemented_fset_nt_acl,
1140
1141         /* POSIX ACL operations. */
1142
1143         .sys_acl_get_file_fn = vfs_not_implemented_sys_acl_get_file,
1144         .sys_acl_get_fd_fn = vfs_not_implemented_sys_acl_get_fd,
1145         .sys_acl_blob_get_file_fn = vfs_not_implemented_sys_acl_blob_get_file,
1146         .sys_acl_blob_get_fd_fn = vfs_not_implemented_sys_acl_blob_get_fd,
1147         .sys_acl_set_file_fn = vfs_not_implemented_sys_acl_set_file,
1148         .sys_acl_set_fd_fn = vfs_not_implemented_sys_acl_set_fd,
1149         .sys_acl_delete_def_file_fn = vfs_not_implemented_sys_acl_delete_def_file,
1150
1151         /* EA operations. */
1152         .getxattr_fn = vfs_not_implemented_getxattr,
1153         .getxattrat_send_fn = vfs_not_implemented_getxattrat_send,
1154         .getxattrat_recv_fn = vfs_not_implemented_getxattrat_recv,
1155         .fgetxattr_fn = vfs_not_implemented_fgetxattr,
1156         .listxattr_fn = vfs_not_implemented_listxattr,
1157         .flistxattr_fn = vfs_not_implemented_flistxattr,
1158         .removexattr_fn = vfs_not_implemented_removexattr,
1159         .fremovexattr_fn = vfs_not_implemented_fremovexattr,
1160         .setxattr_fn = vfs_not_implemented_setxattr,
1161         .fsetxattr_fn = vfs_not_implemented_fsetxattr,
1162
1163         /* aio operations */
1164         .aio_force_fn = vfs_not_implemented_aio_force,
1165
1166         /* durable handle operations */
1167         .durable_cookie_fn = vfs_not_implemented_durable_cookie,
1168         .durable_disconnect_fn = vfs_not_implemented_durable_disconnect,
1169         .durable_reconnect_fn = vfs_not_implemented_durable_reconnect,
1170 };
1171
1172 static_decl_vfs;
1173 NTSTATUS vfs_not_implemented_init(TALLOC_CTX *ctx)
1174 {
1175         /*
1176          * smb_vfs_assert_all_fns() makes sure every
1177          * call is implemented.
1178          */
1179         smb_vfs_assert_all_fns(&vfs_not_implemented_fns, "vfs_not_implemented");
1180         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "vfs_not_implemented",
1181                                 &vfs_not_implemented_fns);
1182 }