examples/VFS/skel_transparent.c

   1 /*
   2  * Skeleton VFS module.  Implements passthrough operation of all VFS
   3  * calls to disk 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_unix.h"
  26 #include "lib/util/tevent_ntstatus.h"
  27
  28 /* PLEASE,PLEASE READ THE VFS MODULES CHAPTER OF THE
  29    SAMBA DEVELOPERS GUIDE!!!!!!
  30  */
  31
  32 /* If you take this file as template for your module
  33  * please make sure that you remove all skel_XXX() functions you don't
  34  * want to implement!! The passthrough operations are not
  35  * neccessary in a real module.
  36  *
  37  * --metze
  38  */
  39
  40 static int skel_connect(vfs_handle_struct *handle, const char *service,
  41                         const char *user)
  42 {
  43         return SMB_VFS_NEXT_CONNECT(handle, service, user);
  44 }
  45
  46 static void skel_disconnect(vfs_handle_struct *handle)
  47 {
  48         SMB_VFS_NEXT_DISCONNECT(handle);
  49 }
  50
  51 static uint64_t skel_disk_free(vfs_handle_struct *handle,
  52                                 const struct smb_filename *smb_fname,
  53                                 uint64_t *bsize,
  54                                 uint64_t *dfree,
  55                                 uint64_t *dsize)
  56 {
  57         return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname, bsize, dfree, dsize);
  58 }
  59
  60 static int skel_get_quota(vfs_handle_struct *handle,
  61                                 const struct smb_filename *smb_fname,
  62                                 enum SMB_QUOTA_TYPE qtype,
  63                                 unid_t id,
  64                                 SMB_DISK_QUOTA *dq)
  65 {
  66         return SMB_VFS_NEXT_GET_QUOTA(handle, smb_fname, qtype, id, dq);
  67 }
  68
  69 static int skel_set_quota(vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype,
  70                           unid_t id, SMB_DISK_QUOTA *dq)
  71 {
  72         return SMB_VFS_NEXT_SET_QUOTA(handle, qtype, id, dq);
  73 }
  74
  75 static int skel_get_shadow_copy_data(vfs_handle_struct *handle,
  76                                      files_struct *fsp,
  77                                      struct shadow_copy_data *shadow_copy_data,
  78                                      bool labels)
  79 {
  80         return SMB_VFS_NEXT_GET_SHADOW_COPY_DATA(handle, fsp, shadow_copy_data,
  81                                                  labels);
  82 }
  83
  84 static int skel_statvfs(struct vfs_handle_struct *handle,
  85                         const struct smb_filename *smb_fname,
  86                         struct vfs_statvfs_struct *statbuf)
  87 {
  88         return SMB_VFS_NEXT_STATVFS(handle, smb_fname, statbuf);
  89 }
  90
  91 static uint32_t skel_fs_capabilities(struct vfs_handle_struct *handle,
  92                                      enum timestamp_set_resolution *p_ts_res)
  93 {
  94         return SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
  95 }
  96
  97 static NTSTATUS skel_get_dfs_referrals(struct vfs_handle_struct *handle,
  98                                        struct dfs_GetDFSReferral *r)
  99 {
 100         return SMB_VFS_NEXT_GET_DFS_REFERRALS(handle, r);
 101 }
 102
 103 static DIR *skel_opendir(vfs_handle_struct *handle,
 104                         const struct smb_filename *smb_fname,
 105                         const char *mask,
 106                         uint32_t attr)
 107 {
 108         return SMB_VFS_NEXT_OPENDIR(handle, smb_fname, mask, attr);
 109 }
 110
 111 static NTSTATUS skel_snap_check_path(struct vfs_handle_struct *handle,
 112                                      TALLOC_CTX *mem_ctx,
 113                                      const char *service_path,
 114                                      char **base_volume)
 115 {
 116         return SMB_VFS_NEXT_SNAP_CHECK_PATH(handle, mem_ctx, service_path,
 117                                             base_volume);
 118 }
 119
 120 static NTSTATUS skel_snap_create(struct vfs_handle_struct *handle,
 121                                  TALLOC_CTX *mem_ctx,
 122                                  const char *base_volume,
 123                                  time_t *tstamp,
 124                                  bool rw,
 125                                  char **base_path,
 126                                  char **snap_path)
 127 {
 128         return SMB_VFS_NEXT_SNAP_CREATE(handle, mem_ctx, base_volume, tstamp,
 129                                         rw, base_path, snap_path);
 130 }
 131
 132 static NTSTATUS skel_snap_delete(struct vfs_handle_struct *handle,
 133                                  TALLOC_CTX *mem_ctx,
 134                                  char *base_path,
 135                                  char *snap_path)
 136 {
 137         return SMB_VFS_NEXT_SNAP_DELETE(handle, mem_ctx, base_path, snap_path);
 138 }
 139
 140 static DIR *skel_fdopendir(vfs_handle_struct *handle, files_struct *fsp,
 141                            const char *mask, uint32_t attr)
 142 {
 143         return SMB_VFS_NEXT_FDOPENDIR(handle, fsp, mask, attr);
 144 }
 145
 146 static struct dirent *skel_readdir(vfs_handle_struct *handle,
 147                                    DIR *dirp, SMB_STRUCT_STAT *sbuf)
 148 {
 149         return SMB_VFS_NEXT_READDIR(handle, dirp, sbuf);
 150 }
 151
 152 static void skel_seekdir(vfs_handle_struct *handle, DIR *dirp, long offset)
 153 {
 154         SMB_VFS_NEXT_SEEKDIR(handle, dirp, offset);
 155 }
 156
 157 static long skel_telldir(vfs_handle_struct *handle, DIR *dirp)
 158 {
 159         return SMB_VFS_NEXT_TELLDIR(handle, dirp);
 160 }
 161
 162 static void skel_rewind_dir(vfs_handle_struct *handle, DIR *dirp)
 163 {
 164         SMB_VFS_NEXT_REWINDDIR(handle, dirp);
 165 }
 166
 167 static int skel_mkdir(vfs_handle_struct *handle,
 168                 const struct smb_filename *smb_fname,
 169                 mode_t mode)
 170 {
 171         return SMB_VFS_NEXT_MKDIR(handle, smb_fname, mode);
 172 }
 173
 174 static int skel_rmdir(vfs_handle_struct *handle,
 175                 const struct smb_filename *smb_fname)
 176 {
 177         return SMB_VFS_NEXT_RMDIR(handle, smb_fname);
 178 }
 179
 180 static int skel_closedir(vfs_handle_struct *handle, DIR *dir)
 181 {
 182         return SMB_VFS_NEXT_CLOSEDIR(handle, dir);
 183 }
 184
 185 static int skel_open(vfs_handle_struct *handle, struct smb_filename *smb_fname,
 186                      files_struct *fsp, int flags, mode_t mode)
 187 {
 188         return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
 189 }
 190
 191 static NTSTATUS skel_create_file(struct vfs_handle_struct *handle,
 192                                  struct smb_request *req,
 193                                  uint16_t root_dir_fid,
 194                                  struct smb_filename *smb_fname,
 195                                  uint32_t access_mask,
 196                                  uint32_t share_access,
 197                                  uint32_t create_disposition,
 198                                  uint32_t create_options,
 199                                  uint32_t file_attributes,
 200                                  uint32_t oplock_request,
 201                                  struct smb2_lease *lease,
 202                                  uint64_t allocation_size,
 203                                  uint32_t private_flags,
 204                                  struct security_descriptor *sd,
 205                                  struct ea_list *ea_list,
 206                                  files_struct ** result, int *pinfo,
 207                                  const struct smb2_create_blobs *in_context_blobs,
 208                                  struct smb2_create_blobs *out_context_blobs)
 209 {
 210         return SMB_VFS_NEXT_CREATE_FILE(handle,
 211                                         req,
 212                                         root_dir_fid,
 213                                         smb_fname,
 214                                         access_mask,
 215                                         share_access,
 216                                         create_disposition,
 217                                         create_options,
 218                                         file_attributes,
 219                                         oplock_request,
 220                                         lease,
 221                                         allocation_size,
 222                                         private_flags,
 223                                         sd, ea_list, result, pinfo,
 224                                         in_context_blobs, out_context_blobs);
 225 }
 226
 227 static int skel_close_fn(vfs_handle_struct *handle, files_struct *fsp)
 228 {
 229         return SMB_VFS_NEXT_CLOSE(handle, fsp);
 230 }
 231
 232 static ssize_t skel_pread(vfs_handle_struct *handle, files_struct *fsp,
 233                           void *data, size_t n, off_t offset)
 234 {
 235         return SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
 236 }
 237
 238 struct skel_pread_state {
 239         ssize_t ret;
 240         struct vfs_aio_state vfs_aio_state;
 241 };
 242
 243 static void skel_pread_done(struct tevent_req *subreq);
 244
 245 static struct tevent_req *skel_pread_send(struct vfs_handle_struct *handle,
 246                                           TALLOC_CTX *mem_ctx,
 247                                           struct tevent_context *ev,
 248                                           struct files_struct *fsp,
 249                                           void *data, size_t n, off_t offset)
 250 {
 251         struct tevent_req *req, *subreq;
 252         struct skel_pread_state *state;
 253
 254         req = tevent_req_create(mem_ctx, &state, struct skel_pread_state);
 255         if (req == NULL) {
 256                 return NULL;
 257         }
 258         subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
 259                                          n, offset);
 260         if (tevent_req_nomem(subreq, req)) {
 261                 return tevent_req_post(req, ev);
 262         }
 263         tevent_req_set_callback(subreq, skel_pread_done, req);
 264         return req;
 265 }
 266
 267 static void skel_pread_done(struct tevent_req *subreq)
 268 {
 269         struct tevent_req *req =
 270             tevent_req_callback_data(subreq, struct tevent_req);
 271         struct skel_pread_state *state =
 272             tevent_req_data(req, struct skel_pread_state);
 273
 274         state->ret = SMB_VFS_PREAD_RECV(subreq, &state->vfs_aio_state);
 275         TALLOC_FREE(subreq);
 276         tevent_req_done(req);
 277 }
 278
 279 static ssize_t skel_pread_recv(struct tevent_req *req,
 280                                struct vfs_aio_state *vfs_aio_state)
 281 {
 282         struct skel_pread_state *state =
 283             tevent_req_data(req, struct skel_pread_state);
 284
 285         if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
 286                 return -1;
 287         }
 288         *vfs_aio_state = state->vfs_aio_state;
 289         return state->ret;
 290 }
 291
 292 static ssize_t skel_write(vfs_handle_struct *handle, files_struct *fsp,
 293                           const void *data, size_t n)
 294 {
 295         return SMB_VFS_NEXT_WRITE(handle, fsp, data, n);
 296 }
 297
 298 static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp,
 299                            const void *data, size_t n, off_t offset)
 300 {
 301         return SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
 302 }
 303
 304 struct skel_pwrite_state {
 305         ssize_t ret;
 306         struct vfs_aio_state vfs_aio_state;
 307 };
 308
 309 static void skel_pwrite_done(struct tevent_req *subreq);
 310
 311 static struct tevent_req *skel_pwrite_send(struct vfs_handle_struct *handle,
 312                                            TALLOC_CTX *mem_ctx,
 313                                            struct tevent_context *ev,
 314                                            struct files_struct *fsp,
 315                                            const void *data,
 316                                            size_t n, off_t offset)
 317 {
 318         struct tevent_req *req, *subreq;
 319         struct skel_pwrite_state *state;
 320
 321         req = tevent_req_create(mem_ctx, &state, struct skel_pwrite_state);
 322         if (req == NULL) {
 323                 return NULL;
 324         }
 325         subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data,
 326                                           n, offset);
 327         if (tevent_req_nomem(subreq, req)) {
 328                 return tevent_req_post(req, ev);
 329         }
 330         tevent_req_set_callback(subreq, skel_pwrite_done, req);
 331         return req;
 332 }
 333
 334 static void skel_pwrite_done(struct tevent_req *subreq)
 335 {
 336         struct tevent_req *req =
 337             tevent_req_callback_data(subreq, struct tevent_req);
 338         struct skel_pwrite_state *state =
 339             tevent_req_data(req, struct skel_pwrite_state);
 340
 341         state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->vfs_aio_state);
 342         TALLOC_FREE(subreq);
 343         tevent_req_done(req);
 344 }
 345
 346 static ssize_t skel_pwrite_recv(struct tevent_req *req,
 347                                 struct vfs_aio_state *vfs_aio_state)
 348 {
 349         struct skel_pwrite_state *state =
 350             tevent_req_data(req, struct skel_pwrite_state);
 351
 352         if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
 353                 return -1;
 354         }
 355         *vfs_aio_state = state->vfs_aio_state;
 356         return state->ret;
 357 }
 358
 359 static off_t skel_lseek(vfs_handle_struct *handle, files_struct *fsp,
 360                         off_t offset, int whence)
 361 {
 362         return SMB_VFS_NEXT_LSEEK(handle, fsp, offset, whence);
 363 }
 364
 365 static ssize_t skel_sendfile(vfs_handle_struct *handle, int tofd,
 366                              files_struct *fromfsp, const DATA_BLOB *hdr,
 367                              off_t offset, size_t n)
 368 {
 369         return SMB_VFS_NEXT_SENDFILE(handle, tofd, fromfsp, hdr, offset, n);
 370 }
 371
 372 static ssize_t skel_recvfile(vfs_handle_struct *handle, int fromfd,
 373                              files_struct *tofsp, off_t offset, size_t n)
 374 {
 375         return SMB_VFS_NEXT_RECVFILE(handle, fromfd, tofsp, offset, n);
 376 }
 377
 378 static int skel_rename(vfs_handle_struct *handle,
 379                        const struct smb_filename *smb_fname_src,
 380                        const struct smb_filename *smb_fname_dst)
 381 {
 382         return SMB_VFS_NEXT_RENAME(handle, smb_fname_src, smb_fname_dst);
 383 }
 384
 385 struct skel_fsync_state {
 386         int ret;
 387         struct vfs_aio_state vfs_aio_state;
 388 };
 389
 390 static void skel_fsync_done(struct tevent_req *subreq);
 391
 392 static struct tevent_req *skel_fsync_send(struct vfs_handle_struct *handle,
 393                                           TALLOC_CTX *mem_ctx,
 394                                           struct tevent_context *ev,
 395                                           struct files_struct *fsp)
 396 {
 397         struct tevent_req *req, *subreq;
 398         struct skel_fsync_state *state;
 399
 400         req = tevent_req_create(mem_ctx, &state, struct skel_fsync_state);
 401         if (req == NULL) {
 402                 return NULL;
 403         }
 404         subreq = SMB_VFS_NEXT_FSYNC_SEND(state, ev, handle, fsp);
 405         if (tevent_req_nomem(subreq, req)) {
 406                 return tevent_req_post(req, ev);
 407         }
 408         tevent_req_set_callback(subreq, skel_fsync_done, req);
 409         return req;
 410 }
 411
 412 static void skel_fsync_done(struct tevent_req *subreq)
 413 {
 414         struct tevent_req *req =
 415             tevent_req_callback_data(subreq, struct tevent_req);
 416         struct skel_fsync_state *state =
 417             tevent_req_data(req, struct skel_fsync_state);
 418
 419         state->ret = SMB_VFS_FSYNC_RECV(subreq, &state->vfs_aio_state);
 420         TALLOC_FREE(subreq);
 421         tevent_req_done(req);
 422 }
 423
 424 static int skel_fsync_recv(struct tevent_req *req,
 425                            struct vfs_aio_state *vfs_aio_state)
 426 {
 427         struct skel_fsync_state *state =
 428             tevent_req_data(req, struct skel_fsync_state);
 429
 430         if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
 431                 return -1;
 432         }
 433         *vfs_aio_state = state->vfs_aio_state;
 434         return state->ret;
 435 }
 436
 437 static int skel_stat(vfs_handle_struct *handle, struct smb_filename *smb_fname)
 438 {
 439         return SMB_VFS_NEXT_STAT(handle, smb_fname);
 440 }
 441
 442 static int skel_fstat(vfs_handle_struct *handle, files_struct *fsp,
 443                       SMB_STRUCT_STAT *sbuf)
 444 {
 445         return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
 446 }
 447
 448 static int skel_lstat(vfs_handle_struct *handle,
 449                       struct smb_filename *smb_fname)
 450 {
 451         return SMB_VFS_NEXT_LSTAT(handle, smb_fname);
 452 }
 453
 454 static uint64_t skel_get_alloc_size(struct vfs_handle_struct *handle,
 455                                     struct files_struct *fsp,
 456                                     const SMB_STRUCT_STAT *sbuf)
 457 {
 458         return SMB_VFS_NEXT_GET_ALLOC_SIZE(handle, fsp, sbuf);
 459 }
 460
 461 static int skel_unlink(vfs_handle_struct *handle,
 462                        const struct smb_filename *smb_fname)
 463 {
 464         return SMB_VFS_NEXT_UNLINK(handle, smb_fname);
 465 }
 466
 467 static int skel_chmod(vfs_handle_struct *handle,
 468                         const struct smb_filename *smb_fname,
 469                         mode_t mode)
 470 {
 471         return SMB_VFS_NEXT_CHMOD(handle, smb_fname, mode);
 472 }
 473
 474 static int skel_fchmod(vfs_handle_struct *handle, files_struct *fsp,
 475                        mode_t mode)
 476 {
 477         return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
 478 }
 479
 480 static int skel_chown(vfs_handle_struct *handle,
 481                         const struct smb_filename *smb_fname,
 482                         uid_t uid,
 483                         gid_t gid)
 484 {
 485         return SMB_VFS_NEXT_CHOWN(handle, smb_fname, uid, gid);
 486 }
 487
 488 static int skel_fchown(vfs_handle_struct *handle, files_struct *fsp,
 489                        uid_t uid, gid_t gid)
 490 {
 491         return SMB_VFS_NEXT_FCHOWN(handle, fsp, uid, gid);
 492 }
 493
 494 static int skel_lchown(vfs_handle_struct *handle,
 495                         const struct smb_filename *smb_fname,
 496                         uid_t uid,
 497                         gid_t gid)
 498 {
 499         return SMB_VFS_NEXT_LCHOWN(handle, smb_fname, uid, gid);
 500 }
 501
 502 static int skel_chdir(vfs_handle_struct *handle,
 503                         const struct smb_filename *smb_fname)
 504 {
 505         return SMB_VFS_NEXT_CHDIR(handle, smb_fname);
 506 }
 507
 508 static struct smb_filename *skel_getwd(vfs_handle_struct *handle,
 509                                         TALLOC_CTX *ctx)
 510 {
 511         return SMB_VFS_NEXT_GETWD(handle, ctx);
 512 }
 513
 514 static int skel_ntimes(vfs_handle_struct *handle,
 515                        const struct smb_filename *smb_fname,
 516                        struct smb_file_time *ft)
 517 {
 518         return SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
 519 }
 520
 521 static int skel_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
 522                           off_t offset)
 523 {
 524         return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, offset);
 525 }
 526
 527 static int skel_fallocate(vfs_handle_struct *handle, files_struct *fsp,
 528                           uint32_t mode, off_t offset, off_t len)
 529 {
 530         return SMB_VFS_NEXT_FALLOCATE(handle, fsp, mode, offset, len);
 531 }
 532
 533 static bool skel_lock(vfs_handle_struct *handle, files_struct *fsp, int op,
 534                       off_t offset, off_t count, int type)
 535 {
 536         return SMB_VFS_NEXT_LOCK(handle, fsp, op, offset, count, type);
 537 }
 538
 539 static int skel_kernel_flock(struct vfs_handle_struct *handle,
 540                              struct files_struct *fsp, uint32_t share_mode,
 541                              uint32_t access_mask)
 542 {
 543         return SMB_VFS_NEXT_KERNEL_FLOCK(handle, fsp, share_mode, access_mask);
 544 }
 545
 546 static int skel_linux_setlease(struct vfs_handle_struct *handle,
 547                                struct files_struct *fsp, int leasetype)
 548 {
 549         return SMB_VFS_NEXT_LINUX_SETLEASE(handle, fsp, leasetype);
 550 }
 551
 552 static bool skel_getlock(vfs_handle_struct *handle, files_struct *fsp,
 553                          off_t *poffset, off_t *pcount, int *ptype,
 554                          pid_t *ppid)
 555 {
 556         return SMB_VFS_NEXT_GETLOCK(handle, fsp, poffset, pcount, ptype, ppid);
 557 }
 558
 559 static int skel_symlink(vfs_handle_struct *handle,
 560                         const char *link_contents,
 561                         const struct smb_filename *new_smb_fname)
 562 {
 563         return SMB_VFS_NEXT_SYMLINK(handle, link_contents, new_smb_fname);
 564 }
 565
 566 static int skel_vfs_readlink(vfs_handle_struct *handle,
 567                         const struct smb_filename *smb_fname,
 568                         char *buf,
 569                         size_t bufsiz)
 570 {
 571         return SMB_VFS_NEXT_READLINK(handle, smb_fname, buf, bufsiz);
 572 }
 573
 574 static int skel_link(vfs_handle_struct *handle,
 575                         const struct smb_filename *old_smb_fname,
 576                         const struct smb_filename *new_smb_fname)
 577 {
 578         return SMB_VFS_NEXT_LINK(handle, old_smb_fname, new_smb_fname);
 579 }
 580
 581 static int skel_mknod(vfs_handle_struct *handle,
 582                         const struct smb_filename *smb_fname,
 583                         mode_t mode,
 584                         SMB_DEV_T dev)
 585 {
 586         return SMB_VFS_NEXT_MKNOD(handle, smb_fname, mode, dev);
 587 }
 588
 589 static struct smb_filename *skel_realpath(vfs_handle_struct *handle,
 590                         TALLOC_CTX *ctx,
 591                         const struct smb_filename *smb_fname)
 592 {
 593         return SMB_VFS_NEXT_REALPATH(handle, ctx, smb_fname);
 594 }
 595
 596 static int skel_chflags(vfs_handle_struct *handle,
 597                         const struct smb_filename *smb_fname,
 598                         uint flags)
 599 {
 600         return SMB_VFS_NEXT_CHFLAGS(handle, smb_fname, flags);
 601 }
 602
 603 static struct file_id skel_file_id_create(vfs_handle_struct *handle,
 604                                           const SMB_STRUCT_STAT *sbuf)
 605 {
 606         return SMB_VFS_NEXT_FILE_ID_CREATE(handle, sbuf);
 607 }
 608
 609 struct skel_offload_read_state {
 610         struct vfs_handle_struct *handle;
 611         DATA_BLOB token;
 612 };
 613
 614 static void skel_offload_read_done(struct tevent_req *subreq);
 615
 616 static struct tevent_req *skel_offload_read_send(
 617         TALLOC_CTX *mem_ctx,
 618         struct tevent_context *ev,
 619         struct vfs_handle_struct *handle,
 620         struct files_struct *fsp,
 621         uint32_t fsctl,
 622         uint32_t ttl,
 623         off_t offset,
 624         size_t to_copy)
 625 {
 626         struct tevent_req *req = NULL;
 627         struct skel_offload_read_state *state = NULL;
 628         struct tevent_req *subreq = NULL;
 629
 630         req = tevent_req_create(mem_ctx, &state, struct skel_offload_read_state);
 631         if (req == NULL) {
 632                 return NULL;
 633         }
 634         *state = (struct skel_offload_read_state) {
 635                 .handle = handle,
 636         };
 637
 638         subreq = SMB_VFS_NEXT_OFFLOAD_READ_SEND(mem_ctx, ev, handle, fsp,
 639                                                 fsctl, ttl, offset, to_copy);
 640         if (tevent_req_nomem(subreq, req)) {
 641                 return tevent_req_post(req, ev);
 642         }
 643         tevent_req_set_callback(subreq, skel_offload_read_done, req);
 644         return req;
 645 }
 646
 647 static void skel_offload_read_done(struct tevent_req *subreq)
 648 {
 649         struct tevent_req *req = tevent_req_callback_data(
 650                 subreq, struct tevent_req);
 651         struct skel_offload_read_state *state = tevent_req_data(
 652                 req, struct skel_offload_read_state);
 653         NTSTATUS status;
 654
 655         status = SMB_VFS_NEXT_OFFLOAD_READ_RECV(subreq,
 656                                                 state->handle,
 657                                                 state,
 658                                                 &state->token);
 659         TALLOC_FREE(subreq);
 660         if (tevent_req_nterror(req, status)) {
 661                 return;
 662         }
 663
 664         tevent_req_done(req);
 665         return;
 666 }
 667
 668 static NTSTATUS skel_offload_read_recv(struct tevent_req *req,
 669                                        struct vfs_handle_struct *handle,
 670                                        TALLOC_CTX *mem_ctx,
 671                                        DATA_BLOB *_token)
 672 {
 673         struct skel_offload_read_state *state = tevent_req_data(
 674                 req, struct skel_offload_read_state);
 675         DATA_BLOB token;
 676         NTSTATUS status;
 677
 678         if (tevent_req_is_nterror(req, &status)) {
 679                 tevent_req_received(req);
 680                 return status;
 681         }
 682
 683         token = data_blob_talloc(mem_ctx,
 684                                  state->token.data,
 685                                  state->token.length);
 686
 687         tevent_req_received(req);
 688
 689         if (token.data == NULL) {
 690                 return NT_STATUS_NO_MEMORY;
 691         }
 692
 693         *_token = token;
 694         return NT_STATUS_OK;
 695 }
 696
 697 struct skel_offload_write_state {
 698         struct vfs_handle_struct *handle;
 699         off_t copied;
 700 };
 701 static void skel_offload_write_done(struct tevent_req *subreq);
 702
 703 static struct tevent_req *skel_offload_write_send(struct vfs_handle_struct *handle,
 704                                                TALLOC_CTX *mem_ctx,
 705                                                struct tevent_context *ev,
 706                                                uint32_t fsctl,
 707                                                DATA_BLOB *token,
 708                                                off_t transfer_offset,
 709                                                struct files_struct *dest_fsp,
 710                                                off_t dest_off,
 711                                                off_t num)
 712 {
 713         struct tevent_req *req;
 714         struct tevent_req *subreq;
 715         struct skel_offload_write_state *state;
 716
 717         req = tevent_req_create(mem_ctx, &state, struct skel_offload_write_state);
 718         if (req == NULL) {
 719                 return NULL;
 720         }
 721
 722         state->handle = handle;
 723         subreq = SMB_VFS_NEXT_OFFLOAD_WRITE_SEND(handle, state, ev,
 724                                               fsctl, token, transfer_offset,
 725                                               dest_fsp, dest_off, num);
 726         if (tevent_req_nomem(subreq, req)) {
 727                 return tevent_req_post(req, ev);
 728         }
 729
 730         tevent_req_set_callback(subreq, skel_offload_write_done, req);
 731         return req;
 732 }
 733
 734 static void skel_offload_write_done(struct tevent_req *subreq)
 735 {
 736         struct tevent_req *req = tevent_req_callback_data(
 737                 subreq, struct tevent_req);
 738         struct skel_offload_write_state *state
 739                         = tevent_req_data(req, struct skel_offload_write_state);
 740         NTSTATUS status;
 741
 742         status = SMB_VFS_NEXT_OFFLOAD_WRITE_RECV(state->handle,
 743                                               subreq,
 744                                               &state->copied);
 745         TALLOC_FREE(subreq);
 746         if (tevent_req_nterror(req, status)) {
 747                 return;
 748         }
 749         tevent_req_done(req);
 750 }
 751
 752 static NTSTATUS skel_offload_write_recv(struct vfs_handle_struct *handle,
 753                                      struct tevent_req *req,
 754                                      off_t *copied)
 755 {
 756         struct skel_offload_write_state *state
 757                         = tevent_req_data(req, struct skel_offload_write_state);
 758         NTSTATUS status;
 759
 760         *copied = state->copied;
 761         if (tevent_req_is_nterror(req, &status)) {
 762                 tevent_req_received(req);
 763                 return status;
 764         }
 765
 766         tevent_req_received(req);
 767         return NT_STATUS_OK;
 768 }
 769
 770 static NTSTATUS skel_get_compression(struct vfs_handle_struct *handle,
 771                                      TALLOC_CTX *mem_ctx,
 772                                      struct files_struct *fsp,
 773                                      struct smb_filename *smb_fname,
 774                                      uint16_t *_compression_fmt)
 775 {
 776         return SMB_VFS_NEXT_GET_COMPRESSION(handle, mem_ctx, fsp, smb_fname,
 777                                             _compression_fmt);
 778 }
 779
 780 static NTSTATUS skel_set_compression(struct vfs_handle_struct *handle,
 781                                      TALLOC_CTX *mem_ctx,
 782                                      struct files_struct *fsp,
 783                                      uint16_t compression_fmt)
 784 {
 785         return SMB_VFS_NEXT_SET_COMPRESSION(handle, mem_ctx, fsp,
 786                                             compression_fmt);
 787 }
 788
 789 static NTSTATUS skel_streaminfo(struct vfs_handle_struct *handle,
 790                                 struct files_struct *fsp,
 791                                 const struct smb_filename *smb_fname,
 792                                 TALLOC_CTX *mem_ctx,
 793                                 unsigned int *num_streams,
 794                                 struct stream_struct **streams)
 795 {
 796         return SMB_VFS_NEXT_STREAMINFO(handle,
 797                                 fsp,
 798                                 smb_fname,
 799                                 mem_ctx,
 800                                 num_streams,
 801                                 streams);
 802 }
 803
 804 static int skel_get_real_filename(struct vfs_handle_struct *handle,
 805                                   const char *path,
 806                                   const char *name,
 807                                   TALLOC_CTX *mem_ctx, char **found_name)
 808 {
 809         return SMB_VFS_NEXT_GET_REAL_FILENAME(handle,
 810                                               path, name, mem_ctx, found_name);
 811 }
 812
 813 static const char *skel_connectpath(struct vfs_handle_struct *handle,
 814                                 const struct smb_filename *smb_fname)
 815 {
 816         return SMB_VFS_NEXT_CONNECTPATH(handle, smb_fname);
 817 }
 818
 819 static NTSTATUS skel_brl_lock_windows(struct vfs_handle_struct *handle,
 820                                       struct byte_range_lock *br_lck,
 821                                       struct lock_struct *plock,
 822                                       bool blocking_lock)
 823 {
 824         return SMB_VFS_NEXT_BRL_LOCK_WINDOWS(handle,
 825                                              br_lck, plock, blocking_lock);
 826 }
 827
 828 static bool skel_brl_unlock_windows(struct vfs_handle_struct *handle,
 829                                     struct messaging_context *msg_ctx,
 830                                     struct byte_range_lock *br_lck,
 831                                     const struct lock_struct *plock)
 832 {
 833         return SMB_VFS_NEXT_BRL_UNLOCK_WINDOWS(handle, msg_ctx, br_lck, plock);
 834 }
 835
 836 static bool skel_brl_cancel_windows(struct vfs_handle_struct *handle,
 837                                     struct byte_range_lock *br_lck,
 838                                     struct lock_struct *plock)
 839 {
 840         return SMB_VFS_NEXT_BRL_CANCEL_WINDOWS(handle, br_lck, plock);
 841 }
 842
 843 static bool skel_strict_lock_check(struct vfs_handle_struct *handle,
 844                                    struct files_struct *fsp,
 845                                    struct lock_struct *plock)
 846 {
 847         return SMB_VFS_NEXT_STRICT_LOCK_CHECK(handle, fsp, plock);
 848 }
 849
 850 static NTSTATUS skel_translate_name(struct vfs_handle_struct *handle,
 851                                     const char *mapped_name,
 852                                     enum vfs_translate_direction direction,
 853                                     TALLOC_CTX *mem_ctx, char **pmapped_name)
 854 {
 855         return SMB_VFS_NEXT_TRANSLATE_NAME(handle, mapped_name, direction,
 856                                            mem_ctx, pmapped_name);
 857 }
 858
 859 static NTSTATUS skel_fsctl(struct vfs_handle_struct *handle,
 860                            struct files_struct *fsp,
 861                            TALLOC_CTX *ctx,
 862                            uint32_t function,
 863                            uint16_t req_flags,  /* Needed for UNICODE ... */
 864                            const uint8_t *_in_data,
 865                            uint32_t in_len,
 866                            uint8_t ** _out_data,
 867                            uint32_t max_out_len, uint32_t *out_len)
 868 {
 869         return SMB_VFS_NEXT_FSCTL(handle,
 870                                   fsp,
 871                                   ctx,
 872                                   function,
 873                                   req_flags,
 874                                   _in_data,
 875                                   in_len, _out_data, max_out_len, out_len);
 876 }
 877
 878 static NTSTATUS skel_readdir_attr(struct vfs_handle_struct *handle,
 879                                   const struct smb_filename *fname,
 880                                   TALLOC_CTX *mem_ctx,
 881                                   struct readdir_attr_data **pattr_data)
 882 {
 883         return SMB_VFS_NEXT_READDIR_ATTR(handle, fname, mem_ctx, pattr_data);
 884 }
 885
 886 static NTSTATUS skel_get_dos_attributes(struct vfs_handle_struct *handle,
 887                                 struct smb_filename *smb_fname,
 888                                 uint32_t *dosmode)
 889 {
 890         return SMB_VFS_NEXT_GET_DOS_ATTRIBUTES(handle,
 891                                 smb_fname,
 892                                 dosmode);
 893 }
 894
 895 static NTSTATUS skel_fget_dos_attributes(struct vfs_handle_struct *handle,
 896                                 struct files_struct *fsp,
 897                                 uint32_t *dosmode)
 898 {
 899         return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle,
 900                                 fsp,
 901                                 dosmode);
 902 }
 903
 904 static NTSTATUS skel_set_dos_attributes(struct vfs_handle_struct *handle,
 905                                 const struct smb_filename *smb_fname,
 906                                 uint32_t dosmode)
 907 {
 908         return SMB_VFS_NEXT_SET_DOS_ATTRIBUTES(handle,
 909                                 smb_fname,
 910                                 dosmode);
 911 }
 912
 913 static NTSTATUS skel_fset_dos_attributes(struct vfs_handle_struct *handle,
 914                                 struct files_struct *fsp,
 915                                 uint32_t dosmode)
 916 {
 917         return SMB_VFS_NEXT_FSET_DOS_ATTRIBUTES(handle,
 918                                 fsp,
 919                                 dosmode);
 920 }
 921
 922 static NTSTATUS skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 923                                  uint32_t security_info,
 924                                  TALLOC_CTX *mem_ctx,
 925                                  struct security_descriptor **ppdesc)
 926 {
 927         return SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info, mem_ctx,
 928                                         ppdesc);
 929 }
 930
 931 static NTSTATUS skel_get_nt_acl(vfs_handle_struct *handle,
 932                                 const struct smb_filename *smb_fname,
 933                                 uint32_t security_info,
 934                                 TALLOC_CTX *mem_ctx,
 935                                 struct security_descriptor **ppdesc)
 936 {
 937         return SMB_VFS_NEXT_GET_NT_ACL(handle,
 938                                 smb_fname,
 939                                 security_info,
 940                                 mem_ctx,
 941                                 ppdesc);
 942 }
 943
 944 static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 945                                  uint32_t security_info_sent,
 946                                  const struct security_descriptor *psd)
 947 {
 948         return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
 949 }
 950
 951 static int skel_chmod_acl(vfs_handle_struct *handle,
 952                         const struct smb_filename *smb_fname,
 953                         mode_t mode)
 954 {
 955         return SMB_VFS_NEXT_CHMOD_ACL(handle, smb_fname, mode);
 956 }
 957
 958 static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp,
 959                            mode_t mode)
 960 {
 961         return SMB_VFS_NEXT_FCHMOD_ACL(handle, fsp, mode);
 962 }
 963
 964 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,
 965                                        const struct smb_filename *smb_fname,
 966                                        SMB_ACL_TYPE_T type,
 967                                        TALLOC_CTX *mem_ctx)
 968 {
 969         return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, smb_fname, type, mem_ctx);
 970 }
 971
 972 static SMB_ACL_T skel_sys_acl_get_fd(vfs_handle_struct *handle,
 973                                      files_struct *fsp, TALLOC_CTX *mem_ctx)
 974 {
 975         return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp, mem_ctx);
 976 }
 977
 978 static int skel_sys_acl_blob_get_file(vfs_handle_struct *handle,
 979                                 const struct smb_filename *smb_fname,
 980                                 TALLOC_CTX *mem_ctx,
 981                                 char **blob_description,
 982                                 DATA_BLOB *blob)
 983 {
 984         return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FILE(handle, smb_fname, mem_ctx,
 985                                                   blob_description, blob);
 986 }
 987
 988 static int skel_sys_acl_blob_get_fd(vfs_handle_struct *handle,
 989                                     files_struct *fsp, TALLOC_CTX *mem_ctx,
 990                                     char **blob_description, DATA_BLOB *blob)
 991 {
 992         return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FD(handle, fsp, mem_ctx,
 993                                                 blob_description, blob);
 994 }
 995
 996 static int skel_sys_acl_set_file(vfs_handle_struct *handle,
 997                                 const struct smb_filename *smb_fname,
 998                                 SMB_ACL_TYPE_T acltype,
 999                                 SMB_ACL_T theacl)
1000 {
1001         return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, smb_fname,
1002                         acltype, theacl);
1003 }
1004
1005 static int skel_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp,
1006                                SMB_ACL_T theacl)
1007 {
1008         return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, theacl);
1009 }
1010
1011 static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle,
1012                                         const struct smb_filename *smb_fname)
1013 {
1014         return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, smb_fname);
1015 }
1016
1017 static ssize_t skel_getxattr(vfs_handle_struct *handle,
1018                                 const struct smb_filename *smb_fname,
1019                                 const char *name,
1020                                 void *value,
1021                                 size_t size)
1022 {
1023         return SMB_VFS_NEXT_GETXATTR(handle, smb_fname, name, value, size);
1024 }
1025
1026 static ssize_t skel_fgetxattr(vfs_handle_struct *handle,
1027                               struct files_struct *fsp, const char *name,
1028                               void *value, size_t size)
1029 {
1030         return SMB_VFS_NEXT_FGETXATTR(handle, fsp, name, value, size);
1031 }
1032
1033 static ssize_t skel_listxattr(vfs_handle_struct *handle,
1034                                 const struct smb_filename *smb_fname,
1035                                 char *list,
1036                                 size_t size)
1037 {
1038         return SMB_VFS_NEXT_LISTXATTR(handle, smb_fname, list, size);
1039 }
1040
1041 static ssize_t skel_flistxattr(vfs_handle_struct *handle,
1042                                struct files_struct *fsp, char *list,
1043                                size_t size)
1044 {
1045         return SMB_VFS_NEXT_FLISTXATTR(handle, fsp, list, size);
1046 }
1047
1048 static int skel_removexattr(vfs_handle_struct *handle,
1049                         const struct smb_filename *smb_fname,
1050                         const char *name)
1051 {
1052         return SMB_VFS_NEXT_REMOVEXATTR(handle, smb_fname, name);
1053 }
1054
1055 static int skel_fremovexattr(vfs_handle_struct *handle,
1056                              struct files_struct *fsp, const char *name)
1057 {
1058         return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, name);
1059 }
1060
1061 static int skel_setxattr(vfs_handle_struct *handle,
1062                         const struct smb_filename *smb_fname,
1063                         const char *name,
1064                         const void *value,
1065                         size_t size,
1066                         int flags)
1067 {
1068         return SMB_VFS_NEXT_SETXATTR(handle, smb_fname,
1069                         name, value, size, flags);
1070 }
1071
1072 static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,
1073                           const char *name, const void *value, size_t size,
1074                           int flags)
1075 {
1076         return SMB_VFS_NEXT_FSETXATTR(handle, fsp, name, value, size, flags);
1077 }
1078
1079 static bool skel_aio_force(struct vfs_handle_struct *handle,
1080                            struct files_struct *fsp)
1081 {
1082         return SMB_VFS_NEXT_AIO_FORCE(handle, fsp);
1083 }
1084
1085 /* VFS operations structure */
1086
1087 struct vfs_fn_pointers skel_transparent_fns = {
1088         /* Disk operations */
1089
1090         .connect_fn = skel_connect,
1091         .disconnect_fn = skel_disconnect,
1092         .disk_free_fn = skel_disk_free,
1093         .get_quota_fn = skel_get_quota,
1094         .set_quota_fn = skel_set_quota,
1095         .get_shadow_copy_data_fn = skel_get_shadow_copy_data,
1096         .statvfs_fn = skel_statvfs,
1097         .fs_capabilities_fn = skel_fs_capabilities,
1098         .get_dfs_referrals_fn = skel_get_dfs_referrals,
1099         .snap_check_path_fn = skel_snap_check_path,
1100         .snap_create_fn = skel_snap_create,
1101         .snap_delete_fn = skel_snap_delete,
1102
1103         /* Directory operations */
1104
1105         .opendir_fn = skel_opendir,
1106         .fdopendir_fn = skel_fdopendir,
1107         .readdir_fn = skel_readdir,
1108         .seekdir_fn = skel_seekdir,
1109         .telldir_fn = skel_telldir,
1110         .rewind_dir_fn = skel_rewind_dir,
1111         .mkdir_fn = skel_mkdir,
1112         .rmdir_fn = skel_rmdir,
1113         .closedir_fn = skel_closedir,
1114
1115         /* File operations */
1116
1117         .open_fn = skel_open,
1118         .create_file_fn = skel_create_file,
1119         .close_fn = skel_close_fn,
1120         .pread_fn = skel_pread,
1121         .pread_send_fn = skel_pread_send,
1122         .pread_recv_fn = skel_pread_recv,
1123         .write_fn = skel_write,
1124         .pwrite_fn = skel_pwrite,
1125         .pwrite_send_fn = skel_pwrite_send,
1126         .pwrite_recv_fn = skel_pwrite_recv,
1127         .lseek_fn = skel_lseek,
1128         .sendfile_fn = skel_sendfile,
1129         .recvfile_fn = skel_recvfile,
1130         .rename_fn = skel_rename,
1131         .fsync_send_fn = skel_fsync_send,
1132         .fsync_recv_fn = skel_fsync_recv,
1133         .stat_fn = skel_stat,
1134         .fstat_fn = skel_fstat,
1135         .lstat_fn = skel_lstat,
1136         .get_alloc_size_fn = skel_get_alloc_size,
1137         .unlink_fn = skel_unlink,
1138         .chmod_fn = skel_chmod,
1139         .fchmod_fn = skel_fchmod,
1140         .chown_fn = skel_chown,
1141         .fchown_fn = skel_fchown,
1142         .lchown_fn = skel_lchown,
1143         .chdir_fn = skel_chdir,
1144         .getwd_fn = skel_getwd,
1145         .ntimes_fn = skel_ntimes,
1146         .ftruncate_fn = skel_ftruncate,
1147         .fallocate_fn = skel_fallocate,
1148         .lock_fn = skel_lock,
1149         .kernel_flock_fn = skel_kernel_flock,
1150         .linux_setlease_fn = skel_linux_setlease,
1151         .getlock_fn = skel_getlock,
1152         .symlink_fn = skel_symlink,
1153         .readlink_fn = skel_vfs_readlink,
1154         .link_fn = skel_link,
1155         .mknod_fn = skel_mknod,
1156         .realpath_fn = skel_realpath,
1157         .chflags_fn = skel_chflags,
1158         .file_id_create_fn = skel_file_id_create,
1159         .offload_read_send_fn = skel_offload_read_send,
1160         .offload_read_recv_fn = skel_offload_read_recv,
1161         .offload_write_send_fn = skel_offload_write_send,
1162         .offload_write_recv_fn = skel_offload_write_recv,
1163         .get_compression_fn = skel_get_compression,
1164         .set_compression_fn = skel_set_compression,
1165
1166         .streaminfo_fn = skel_streaminfo,
1167         .get_real_filename_fn = skel_get_real_filename,
1168         .connectpath_fn = skel_connectpath,
1169         .brl_lock_windows_fn = skel_brl_lock_windows,
1170         .brl_unlock_windows_fn = skel_brl_unlock_windows,
1171         .brl_cancel_windows_fn = skel_brl_cancel_windows,
1172         .strict_lock_check_fn = skel_strict_lock_check,
1173         .translate_name_fn = skel_translate_name,
1174         .fsctl_fn = skel_fsctl,
1175         .readdir_attr_fn = skel_readdir_attr,
1176
1177         /* DOS attributes. */
1178         .get_dos_attributes_fn = skel_get_dos_attributes,
1179         .fget_dos_attributes_fn = skel_fget_dos_attributes,
1180         .set_dos_attributes_fn = skel_set_dos_attributes,
1181         .fset_dos_attributes_fn = skel_fset_dos_attributes,
1182
1183         /* NT ACL operations. */
1184
1185         .fget_nt_acl_fn = skel_fget_nt_acl,
1186         .get_nt_acl_fn = skel_get_nt_acl,
1187         .fset_nt_acl_fn = skel_fset_nt_acl,
1188
1189         /* POSIX ACL operations. */
1190
1191         .chmod_acl_fn = skel_chmod_acl,
1192         .fchmod_acl_fn = skel_fchmod_acl,
1193
1194         .sys_acl_get_file_fn = skel_sys_acl_get_file,
1195         .sys_acl_get_fd_fn = skel_sys_acl_get_fd,
1196         .sys_acl_blob_get_file_fn = skel_sys_acl_blob_get_file,
1197         .sys_acl_blob_get_fd_fn = skel_sys_acl_blob_get_fd,
1198         .sys_acl_set_file_fn = skel_sys_acl_set_file,
1199         .sys_acl_set_fd_fn = skel_sys_acl_set_fd,
1200         .sys_acl_delete_def_file_fn = skel_sys_acl_delete_def_file,
1201
1202         /* EA operations. */
1203         .getxattr_fn = skel_getxattr,
1204         .fgetxattr_fn = skel_fgetxattr,
1205         .listxattr_fn = skel_listxattr,
1206         .flistxattr_fn = skel_flistxattr,
1207         .removexattr_fn = skel_removexattr,
1208         .fremovexattr_fn = skel_fremovexattr,
1209         .setxattr_fn = skel_setxattr,
1210         .fsetxattr_fn = skel_fsetxattr,
1211
1212         /* aio operations */
1213         .aio_force_fn = skel_aio_force,
1214 };
1215
1216 static_decl_vfs;
1217 NTSTATUS vfs_skel_transparent_init(TALLOC_CTX *ctx)
1218 {
1219         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_transparent",
1220                                 &skel_transparent_fns);
1221 }