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  * necessary 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 NTSTATUS skel_create_dfs_pathat(struct vfs_handle_struct *handle,
 104                                 struct files_struct *dirfsp,
 105                                 const struct smb_filename *smb_fname,
 106                                 const struct referral *reflist,
 107                                 size_t referral_count)
 108 {
 109         return SMB_VFS_NEXT_CREATE_DFS_PATHAT(handle,
 110                                         dirfsp,
 111                                         smb_fname,
 112                                         reflist,
 113                                         referral_count);
 114 }
 115
 116 static NTSTATUS skel_read_dfs_pathat(struct vfs_handle_struct *handle,
 117                                 TALLOC_CTX *mem_ctx,
 118                                 struct files_struct *dirfsp,
 119                                 struct smb_filename *smb_fname,
 120                                 struct referral **ppreflist,
 121                                 size_t *preferral_count)
 122 {
 123         return SMB_VFS_NEXT_READ_DFS_PATHAT(handle,
 124                                         mem_ctx,
 125                                         dirfsp,
 126                                         smb_fname,
 127                                         ppreflist,
 128                                         preferral_count);
 129 }
 130
 131 static NTSTATUS skel_snap_check_path(struct vfs_handle_struct *handle,
 132                                      TALLOC_CTX *mem_ctx,
 133                                      const char *service_path,
 134                                      char **base_volume)
 135 {
 136         return SMB_VFS_NEXT_SNAP_CHECK_PATH(handle, mem_ctx, service_path,
 137                                             base_volume);
 138 }
 139
 140 static NTSTATUS skel_snap_create(struct vfs_handle_struct *handle,
 141                                  TALLOC_CTX *mem_ctx,
 142                                  const char *base_volume,
 143                                  time_t *tstamp,
 144                                  bool rw,
 145                                  char **base_path,
 146                                  char **snap_path)
 147 {
 148         return SMB_VFS_NEXT_SNAP_CREATE(handle, mem_ctx, base_volume, tstamp,
 149                                         rw, base_path, snap_path);
 150 }
 151
 152 static NTSTATUS skel_snap_delete(struct vfs_handle_struct *handle,
 153                                  TALLOC_CTX *mem_ctx,
 154                                  char *base_path,
 155                                  char *snap_path)
 156 {
 157         return SMB_VFS_NEXT_SNAP_DELETE(handle, mem_ctx, base_path, snap_path);
 158 }
 159
 160 static DIR *skel_fdopendir(vfs_handle_struct *handle, files_struct *fsp,
 161                            const char *mask, uint32_t attr)
 162 {
 163         return SMB_VFS_NEXT_FDOPENDIR(handle, fsp, mask, attr);
 164 }
 165
 166 static struct dirent *skel_readdir(vfs_handle_struct *handle,
 167                                    struct files_struct *dirfsp,
 168                                    DIR *dirp,
 169                                    SMB_STRUCT_STAT *sbuf)
 170 {
 171         return SMB_VFS_NEXT_READDIR(handle, dirfsp, dirp, sbuf);
 172 }
 173
 174 static void skel_seekdir(vfs_handle_struct *handle, DIR *dirp, long offset)
 175 {
 176         SMB_VFS_NEXT_SEEKDIR(handle, dirp, offset);
 177 }
 178
 179 static long skel_telldir(vfs_handle_struct *handle, DIR *dirp)
 180 {
 181         return SMB_VFS_NEXT_TELLDIR(handle, dirp);
 182 }
 183
 184 static void skel_rewind_dir(vfs_handle_struct *handle, DIR *dirp)
 185 {
 186         SMB_VFS_NEXT_REWINDDIR(handle, dirp);
 187 }
 188
 189 static int skel_mkdirat(vfs_handle_struct *handle,
 190                 struct files_struct *dirfsp,
 191                 const struct smb_filename *smb_fname,
 192                 mode_t mode)
 193 {
 194         return SMB_VFS_NEXT_MKDIRAT(handle,
 195                         dirfsp,
 196                         smb_fname,
 197                         mode);
 198 }
 199
 200 static int skel_closedir(vfs_handle_struct *handle, DIR *dir)
 201 {
 202         return SMB_VFS_NEXT_CLOSEDIR(handle, dir);
 203 }
 204
 205 static int skel_openat(struct vfs_handle_struct *handle,
 206                        const struct files_struct *dirfsp,
 207                        const struct smb_filename *smb_fname,
 208                        struct files_struct *fsp,
 209                        int flags,
 210                        mode_t mode)
 211 {
 212         return SMB_VFS_NEXT_OPENAT(handle, dirfsp, smb_fname, fsp, flags, mode);
 213 }
 214
 215 static NTSTATUS skel_create_file(struct vfs_handle_struct *handle,
 216                                  struct smb_request *req,
 217                                  struct smb_filename *smb_fname,
 218                                  uint32_t access_mask,
 219                                  uint32_t share_access,
 220                                  uint32_t create_disposition,
 221                                  uint32_t create_options,
 222                                  uint32_t file_attributes,
 223                                  uint32_t oplock_request,
 224                                  const struct smb2_lease *lease,
 225                                  uint64_t allocation_size,
 226                                  uint32_t private_flags,
 227                                  struct security_descriptor *sd,
 228                                  struct ea_list *ea_list,
 229                                  files_struct ** result, int *pinfo,
 230                                  const struct smb2_create_blobs *in_context_blobs,
 231                                  struct smb2_create_blobs *out_context_blobs)
 232 {
 233         return SMB_VFS_NEXT_CREATE_FILE(handle,
 234                                         req,
 235                                         smb_fname,
 236                                         access_mask,
 237                                         share_access,
 238                                         create_disposition,
 239                                         create_options,
 240                                         file_attributes,
 241                                         oplock_request,
 242                                         lease,
 243                                         allocation_size,
 244                                         private_flags,
 245                                         sd, ea_list, result, pinfo,
 246                                         in_context_blobs, out_context_blobs);
 247 }
 248
 249 static int skel_close_fn(vfs_handle_struct *handle, files_struct *fsp)
 250 {
 251         return SMB_VFS_NEXT_CLOSE(handle, fsp);
 252 }
 253
 254 static ssize_t skel_pread(vfs_handle_struct *handle, files_struct *fsp,
 255                           void *data, size_t n, off_t offset)
 256 {
 257         return SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
 258 }
 259
 260 struct skel_pread_state {
 261         ssize_t ret;
 262         struct vfs_aio_state vfs_aio_state;
 263 };
 264
 265 static void skel_pread_done(struct tevent_req *subreq);
 266
 267 static struct tevent_req *skel_pread_send(struct vfs_handle_struct *handle,
 268                                           TALLOC_CTX *mem_ctx,
 269                                           struct tevent_context *ev,
 270                                           struct files_struct *fsp,
 271                                           void *data, size_t n, off_t offset)
 272 {
 273         struct tevent_req *req, *subreq;
 274         struct skel_pread_state *state;
 275
 276         req = tevent_req_create(mem_ctx, &state, struct skel_pread_state);
 277         if (req == NULL) {
 278                 return NULL;
 279         }
 280         subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
 281                                          n, offset);
 282         if (tevent_req_nomem(subreq, req)) {
 283                 return tevent_req_post(req, ev);
 284         }
 285         tevent_req_set_callback(subreq, skel_pread_done, req);
 286         return req;
 287 }
 288
 289 static void skel_pread_done(struct tevent_req *subreq)
 290 {
 291         struct tevent_req *req =
 292             tevent_req_callback_data(subreq, struct tevent_req);
 293         struct skel_pread_state *state =
 294             tevent_req_data(req, struct skel_pread_state);
 295
 296         state->ret = SMB_VFS_PREAD_RECV(subreq, &state->vfs_aio_state);
 297         TALLOC_FREE(subreq);
 298         tevent_req_done(req);
 299 }
 300
 301 static ssize_t skel_pread_recv(struct tevent_req *req,
 302                                struct vfs_aio_state *vfs_aio_state)
 303 {
 304         struct skel_pread_state *state =
 305             tevent_req_data(req, struct skel_pread_state);
 306
 307         if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
 308                 return -1;
 309         }
 310         *vfs_aio_state = state->vfs_aio_state;
 311         return state->ret;
 312 }
 313
 314 static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp,
 315                            const void *data, size_t n, off_t offset)
 316 {
 317         return SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
 318 }
 319
 320 struct skel_pwrite_state {
 321         ssize_t ret;
 322         struct vfs_aio_state vfs_aio_state;
 323 };
 324
 325 static void skel_pwrite_done(struct tevent_req *subreq);
 326
 327 static struct tevent_req *skel_pwrite_send(struct vfs_handle_struct *handle,
 328                                            TALLOC_CTX *mem_ctx,
 329                                            struct tevent_context *ev,
 330                                            struct files_struct *fsp,
 331                                            const void *data,
 332                                            size_t n, off_t offset)
 333 {
 334         struct tevent_req *req, *subreq;
 335         struct skel_pwrite_state *state;
 336
 337         req = tevent_req_create(mem_ctx, &state, struct skel_pwrite_state);
 338         if (req == NULL) {
 339                 return NULL;
 340         }
 341         subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data,
 342                                           n, offset);
 343         if (tevent_req_nomem(subreq, req)) {
 344                 return tevent_req_post(req, ev);
 345         }
 346         tevent_req_set_callback(subreq, skel_pwrite_done, req);
 347         return req;
 348 }
 349
 350 static void skel_pwrite_done(struct tevent_req *subreq)
 351 {
 352         struct tevent_req *req =
 353             tevent_req_callback_data(subreq, struct tevent_req);
 354         struct skel_pwrite_state *state =
 355             tevent_req_data(req, struct skel_pwrite_state);
 356
 357         state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->vfs_aio_state);
 358         TALLOC_FREE(subreq);
 359         tevent_req_done(req);
 360 }
 361
 362 static ssize_t skel_pwrite_recv(struct tevent_req *req,
 363                                 struct vfs_aio_state *vfs_aio_state)
 364 {
 365         struct skel_pwrite_state *state =
 366             tevent_req_data(req, struct skel_pwrite_state);
 367
 368         if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
 369                 return -1;
 370         }
 371         *vfs_aio_state = state->vfs_aio_state;
 372         return state->ret;
 373 }
 374
 375 static off_t skel_lseek(vfs_handle_struct *handle, files_struct *fsp,
 376                         off_t offset, int whence)
 377 {
 378         return SMB_VFS_NEXT_LSEEK(handle, fsp, offset, whence);
 379 }
 380
 381 static ssize_t skel_sendfile(vfs_handle_struct *handle, int tofd,
 382                              files_struct *fromfsp, const DATA_BLOB *hdr,
 383                              off_t offset, size_t n)
 384 {
 385         return SMB_VFS_NEXT_SENDFILE(handle, tofd, fromfsp, hdr, offset, n);
 386 }
 387
 388 static ssize_t skel_recvfile(vfs_handle_struct *handle, int fromfd,
 389                              files_struct *tofsp, off_t offset, size_t n)
 390 {
 391         return SMB_VFS_NEXT_RECVFILE(handle, fromfd, tofsp, offset, n);
 392 }
 393
 394 static int skel_renameat(vfs_handle_struct *handle,
 395                        files_struct *srcfsp,
 396                        const struct smb_filename *smb_fname_src,
 397                        files_struct *dstfsp,
 398                        const struct smb_filename *smb_fname_dst)
 399 {
 400         return SMB_VFS_NEXT_RENAMEAT(handle,
 401                         srcfsp,
 402                         smb_fname_src,
 403                         dstfsp,
 404                         smb_fname_dst);
 405 }
 406
 407 struct skel_fsync_state {
 408         int ret;
 409         struct vfs_aio_state vfs_aio_state;
 410 };
 411
 412 static void skel_fsync_done(struct tevent_req *subreq);
 413
 414 static struct tevent_req *skel_fsync_send(struct vfs_handle_struct *handle,
 415                                           TALLOC_CTX *mem_ctx,
 416                                           struct tevent_context *ev,
 417                                           struct files_struct *fsp)
 418 {
 419         struct tevent_req *req, *subreq;
 420         struct skel_fsync_state *state;
 421
 422         req = tevent_req_create(mem_ctx, &state, struct skel_fsync_state);
 423         if (req == NULL) {
 424                 return NULL;
 425         }
 426         subreq = SMB_VFS_NEXT_FSYNC_SEND(state, ev, handle, fsp);
 427         if (tevent_req_nomem(subreq, req)) {
 428                 return tevent_req_post(req, ev);
 429         }
 430         tevent_req_set_callback(subreq, skel_fsync_done, req);
 431         return req;
 432 }
 433
 434 static void skel_fsync_done(struct tevent_req *subreq)
 435 {
 436         struct tevent_req *req =
 437             tevent_req_callback_data(subreq, struct tevent_req);
 438         struct skel_fsync_state *state =
 439             tevent_req_data(req, struct skel_fsync_state);
 440
 441         state->ret = SMB_VFS_FSYNC_RECV(subreq, &state->vfs_aio_state);
 442         TALLOC_FREE(subreq);
 443         tevent_req_done(req);
 444 }
 445
 446 static int skel_fsync_recv(struct tevent_req *req,
 447                            struct vfs_aio_state *vfs_aio_state)
 448 {
 449         struct skel_fsync_state *state =
 450             tevent_req_data(req, struct skel_fsync_state);
 451
 452         if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
 453                 return -1;
 454         }
 455         *vfs_aio_state = state->vfs_aio_state;
 456         return state->ret;
 457 }
 458
 459 static int skel_stat(vfs_handle_struct *handle, struct smb_filename *smb_fname)
 460 {
 461         return SMB_VFS_NEXT_STAT(handle, smb_fname);
 462 }
 463
 464 static int skel_fstat(vfs_handle_struct *handle, files_struct *fsp,
 465                       SMB_STRUCT_STAT *sbuf)
 466 {
 467         return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
 468 }
 469
 470 static int skel_lstat(vfs_handle_struct *handle,
 471                       struct smb_filename *smb_fname)
 472 {
 473         return SMB_VFS_NEXT_LSTAT(handle, smb_fname);
 474 }
 475
 476 static uint64_t skel_get_alloc_size(struct vfs_handle_struct *handle,
 477                                     struct files_struct *fsp,
 478                                     const SMB_STRUCT_STAT *sbuf)
 479 {
 480         return SMB_VFS_NEXT_GET_ALLOC_SIZE(handle, fsp, sbuf);
 481 }
 482
 483 static int skel_unlinkat(vfs_handle_struct *handle,
 484                         struct files_struct *dirfsp,
 485                         const struct smb_filename *smb_fname,
 486                         int flags)
 487 {
 488         return SMB_VFS_NEXT_UNLINKAT(handle,
 489                         dirfsp,
 490                         smb_fname,
 491                         flags);
 492 }
 493
 494 static int skel_fchmod(vfs_handle_struct *handle, files_struct *fsp,
 495                        mode_t mode)
 496 {
 497         return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
 498 }
 499
 500 static int skel_fchown(vfs_handle_struct *handle, files_struct *fsp,
 501                        uid_t uid, gid_t gid)
 502 {
 503         return SMB_VFS_NEXT_FCHOWN(handle, fsp, uid, gid);
 504 }
 505
 506 static int skel_lchown(vfs_handle_struct *handle,
 507                         const struct smb_filename *smb_fname,
 508                         uid_t uid,
 509                         gid_t gid)
 510 {
 511         return SMB_VFS_NEXT_LCHOWN(handle, smb_fname, uid, gid);
 512 }
 513
 514 static int skel_chdir(vfs_handle_struct *handle,
 515                         const struct smb_filename *smb_fname)
 516 {
 517         return SMB_VFS_NEXT_CHDIR(handle, smb_fname);
 518 }
 519
 520 static struct smb_filename *skel_getwd(vfs_handle_struct *handle,
 521                                         TALLOC_CTX *ctx)
 522 {
 523         return SMB_VFS_NEXT_GETWD(handle, ctx);
 524 }
 525
 526 static int skel_fntimes(vfs_handle_struct *handle,
 527                         files_struct *fsp,
 528                         struct smb_file_time *ft)
 529 {
 530         return SMB_VFS_NEXT_FNTIMES(handle, fsp, ft);
 531 }
 532
 533 static int skel_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
 534                           off_t offset)
 535 {
 536         return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, offset);
 537 }
 538
 539 static int skel_fallocate(vfs_handle_struct *handle, files_struct *fsp,
 540                           uint32_t mode, off_t offset, off_t len)
 541 {
 542         return SMB_VFS_NEXT_FALLOCATE(handle, fsp, mode, offset, len);
 543 }
 544
 545 static bool skel_lock(vfs_handle_struct *handle, files_struct *fsp, int op,
 546                       off_t offset, off_t count, int type)
 547 {
 548         return SMB_VFS_NEXT_LOCK(handle, fsp, op, offset, count, type);
 549 }
 550
 551 static int skel_kernel_flock(struct vfs_handle_struct *handle,
 552                              struct files_struct *fsp, uint32_t share_mode,
 553                              uint32_t access_mask)
 554 {
 555         return SMB_VFS_NEXT_KERNEL_FLOCK(handle, fsp, share_mode, access_mask);
 556 }
 557
 558 static int skel_fcntl(struct vfs_handle_struct *handle,
 559                       struct files_struct *fsp, int cmd, va_list cmd_arg)
 560 {
 561         void *arg;
 562         va_list dup_cmd_arg;
 563         int result;
 564
 565         va_copy(dup_cmd_arg, cmd_arg);
 566         arg = va_arg(dup_cmd_arg, void *);
 567         result = SMB_VFS_NEXT_FCNTL(handle, fsp, cmd, arg);
 568         va_end(dup_cmd_arg);
 569
 570         return result;
 571 }
 572
 573 static int skel_linux_setlease(struct vfs_handle_struct *handle,
 574                                struct files_struct *fsp, int leasetype)
 575 {
 576         return SMB_VFS_NEXT_LINUX_SETLEASE(handle, fsp, leasetype);
 577 }
 578
 579 static bool skel_getlock(vfs_handle_struct *handle, files_struct *fsp,
 580                          off_t *poffset, off_t *pcount, int *ptype,
 581                          pid_t *ppid)
 582 {
 583         return SMB_VFS_NEXT_GETLOCK(handle, fsp, poffset, pcount, ptype, ppid);
 584 }
 585
 586 static int skel_symlinkat(vfs_handle_struct *handle,
 587                         const struct smb_filename *link_contents,
 588                         struct files_struct *dirfsp,
 589                         const struct smb_filename *new_smb_fname)
 590 {
 591         return SMB_VFS_NEXT_SYMLINKAT(handle,
 592                                 link_contents,
 593                                 dirfsp,
 594                                 new_smb_fname);
 595 }
 596
 597 static int skel_vfs_readlinkat(vfs_handle_struct *handle,
 598                         const struct files_struct *dirfsp,
 599                         const struct smb_filename *smb_fname,
 600                         char *buf,
 601                         size_t bufsiz)
 602 {
 603         return SMB_VFS_NEXT_READLINKAT(handle,
 604                         dirfsp,
 605                         smb_fname,
 606                         buf,
 607                         bufsiz);
 608 }
 609
 610 static int skel_linkat(vfs_handle_struct *handle,
 611                         files_struct *srcfsp,
 612                         const struct smb_filename *old_smb_fname,
 613                         files_struct *dstfsp,
 614                         const struct smb_filename *new_smb_fname,
 615                         int flags)
 616 {
 617         return SMB_VFS_NEXT_LINKAT(handle,
 618                         srcfsp,
 619                         old_smb_fname,
 620                         dstfsp,
 621                         new_smb_fname,
 622                         flags);
 623 }
 624
 625 static int skel_mknodat(vfs_handle_struct *handle,
 626                         files_struct *dirfsp,
 627                         const struct smb_filename *smb_fname,
 628                         mode_t mode,
 629                         SMB_DEV_T dev)
 630 {
 631         return SMB_VFS_NEXT_MKNODAT(handle,
 632                         dirfsp,
 633                         smb_fname,
 634                         mode,
 635                         dev);
 636 }
 637
 638 static struct smb_filename *skel_realpath(vfs_handle_struct *handle,
 639                         TALLOC_CTX *ctx,
 640                         const struct smb_filename *smb_fname)
 641 {
 642         return SMB_VFS_NEXT_REALPATH(handle, ctx, smb_fname);
 643 }
 644
 645 static int skel_chflags(vfs_handle_struct *handle,
 646                         const struct smb_filename *smb_fname,
 647                         uint flags)
 648 {
 649         return SMB_VFS_NEXT_CHFLAGS(handle, smb_fname, flags);
 650 }
 651
 652 static struct file_id skel_file_id_create(vfs_handle_struct *handle,
 653                                           const SMB_STRUCT_STAT *sbuf)
 654 {
 655         return SMB_VFS_NEXT_FILE_ID_CREATE(handle, sbuf);
 656 }
 657
 658 static uint64_t skel_fs_file_id(vfs_handle_struct *handle,
 659                                 const SMB_STRUCT_STAT *sbuf)
 660 {
 661         return SMB_VFS_NEXT_FS_FILE_ID(handle, sbuf);
 662 }
 663
 664 struct skel_offload_read_state {
 665         struct vfs_handle_struct *handle;
 666         DATA_BLOB token;
 667 };
 668
 669 static void skel_offload_read_done(struct tevent_req *subreq);
 670
 671 static struct tevent_req *skel_offload_read_send(
 672         TALLOC_CTX *mem_ctx,
 673         struct tevent_context *ev,
 674         struct vfs_handle_struct *handle,
 675         struct files_struct *fsp,
 676         uint32_t fsctl,
 677         uint32_t ttl,
 678         off_t offset,
 679         size_t to_copy)
 680 {
 681         struct tevent_req *req = NULL;
 682         struct skel_offload_read_state *state = NULL;
 683         struct tevent_req *subreq = NULL;
 684
 685         req = tevent_req_create(mem_ctx, &state, struct skel_offload_read_state);
 686         if (req == NULL) {
 687                 return NULL;
 688         }
 689         *state = (struct skel_offload_read_state) {
 690                 .handle = handle,
 691         };
 692
 693         subreq = SMB_VFS_NEXT_OFFLOAD_READ_SEND(mem_ctx, ev, handle, fsp,
 694                                                 fsctl, ttl, offset, to_copy);
 695         if (tevent_req_nomem(subreq, req)) {
 696                 return tevent_req_post(req, ev);
 697         }
 698         tevent_req_set_callback(subreq, skel_offload_read_done, req);
 699         return req;
 700 }
 701
 702 static void skel_offload_read_done(struct tevent_req *subreq)
 703 {
 704         struct tevent_req *req = tevent_req_callback_data(
 705                 subreq, struct tevent_req);
 706         struct skel_offload_read_state *state = tevent_req_data(
 707                 req, struct skel_offload_read_state);
 708         NTSTATUS status;
 709
 710         status = SMB_VFS_NEXT_OFFLOAD_READ_RECV(subreq,
 711                                                 state->handle,
 712                                                 state,
 713                                                 &state->token);
 714         TALLOC_FREE(subreq);
 715         if (tevent_req_nterror(req, status)) {
 716                 return;
 717         }
 718
 719         tevent_req_done(req);
 720         return;
 721 }
 722
 723 static NTSTATUS skel_offload_read_recv(struct tevent_req *req,
 724                                        struct vfs_handle_struct *handle,
 725                                        TALLOC_CTX *mem_ctx,
 726                                        DATA_BLOB *_token)
 727 {
 728         struct skel_offload_read_state *state = tevent_req_data(
 729                 req, struct skel_offload_read_state);
 730         DATA_BLOB token;
 731         NTSTATUS status;
 732
 733         if (tevent_req_is_nterror(req, &status)) {
 734                 tevent_req_received(req);
 735                 return status;
 736         }
 737
 738         token = data_blob_talloc(mem_ctx,
 739                                  state->token.data,
 740                                  state->token.length);
 741
 742         tevent_req_received(req);
 743
 744         if (token.data == NULL) {
 745                 return NT_STATUS_NO_MEMORY;
 746         }
 747
 748         *_token = token;
 749         return NT_STATUS_OK;
 750 }
 751
 752 struct skel_offload_write_state {
 753         struct vfs_handle_struct *handle;
 754         off_t copied;
 755 };
 756 static void skel_offload_write_done(struct tevent_req *subreq);
 757
 758 static struct tevent_req *skel_offload_write_send(struct vfs_handle_struct *handle,
 759                                                TALLOC_CTX *mem_ctx,
 760                                                struct tevent_context *ev,
 761                                                uint32_t fsctl,
 762                                                DATA_BLOB *token,
 763                                                off_t transfer_offset,
 764                                                struct files_struct *dest_fsp,
 765                                                off_t dest_off,
 766                                                off_t num)
 767 {
 768         struct tevent_req *req;
 769         struct tevent_req *subreq;
 770         struct skel_offload_write_state *state;
 771
 772         req = tevent_req_create(mem_ctx, &state, struct skel_offload_write_state);
 773         if (req == NULL) {
 774                 return NULL;
 775         }
 776
 777         state->handle = handle;
 778         subreq = SMB_VFS_NEXT_OFFLOAD_WRITE_SEND(handle, state, ev,
 779                                               fsctl, token, transfer_offset,
 780                                               dest_fsp, dest_off, num);
 781         if (tevent_req_nomem(subreq, req)) {
 782                 return tevent_req_post(req, ev);
 783         }
 784
 785         tevent_req_set_callback(subreq, skel_offload_write_done, req);
 786         return req;
 787 }
 788
 789 static void skel_offload_write_done(struct tevent_req *subreq)
 790 {
 791         struct tevent_req *req = tevent_req_callback_data(
 792                 subreq, struct tevent_req);
 793         struct skel_offload_write_state *state
 794                         = tevent_req_data(req, struct skel_offload_write_state);
 795         NTSTATUS status;
 796
 797         status = SMB_VFS_NEXT_OFFLOAD_WRITE_RECV(state->handle,
 798                                               subreq,
 799                                               &state->copied);
 800         TALLOC_FREE(subreq);
 801         if (tevent_req_nterror(req, status)) {
 802                 return;
 803         }
 804         tevent_req_done(req);
 805 }
 806
 807 static NTSTATUS skel_offload_write_recv(struct vfs_handle_struct *handle,
 808                                      struct tevent_req *req,
 809                                      off_t *copied)
 810 {
 811         struct skel_offload_write_state *state
 812                         = tevent_req_data(req, struct skel_offload_write_state);
 813         NTSTATUS status;
 814
 815         *copied = state->copied;
 816         if (tevent_req_is_nterror(req, &status)) {
 817                 tevent_req_received(req);
 818                 return status;
 819         }
 820
 821         tevent_req_received(req);
 822         return NT_STATUS_OK;
 823 }
 824
 825 static NTSTATUS skel_fget_compression(struct vfs_handle_struct *handle,
 826                                      TALLOC_CTX *mem_ctx,
 827                                      struct files_struct *fsp,
 828                                      uint16_t *_compression_fmt)
 829 {
 830         return SMB_VFS_NEXT_FGET_COMPRESSION(handle, mem_ctx, fsp,
 831                                             _compression_fmt);
 832 }
 833
 834 static NTSTATUS skel_set_compression(struct vfs_handle_struct *handle,
 835                                      TALLOC_CTX *mem_ctx,
 836                                      struct files_struct *fsp,
 837                                      uint16_t compression_fmt)
 838 {
 839         return SMB_VFS_NEXT_SET_COMPRESSION(handle, mem_ctx, fsp,
 840                                             compression_fmt);
 841 }
 842
 843 static NTSTATUS skel_fstreaminfo(struct vfs_handle_struct *handle,
 844                                  struct files_struct *fsp,
 845                                  TALLOC_CTX *mem_ctx,
 846                                  unsigned int *num_streams,
 847                                  struct stream_struct **streams)
 848 {
 849         return SMB_VFS_NEXT_FSTREAMINFO(handle,
 850                                 fsp,
 851                                 mem_ctx,
 852                                 num_streams,
 853                                 streams);
 854 }
 855
 856 static int skel_get_real_filename(struct vfs_handle_struct *handle,
 857                                   const struct smb_filename *path,
 858                                   const char *name,
 859                                   TALLOC_CTX *mem_ctx, char **found_name)
 860 {
 861         return SMB_VFS_NEXT_GET_REAL_FILENAME(handle,
 862                                               path, name, mem_ctx, found_name);
 863 }
 864
 865 static const char *skel_connectpath(struct vfs_handle_struct *handle,
 866                                 const struct smb_filename *smb_fname)
 867 {
 868         return SMB_VFS_NEXT_CONNECTPATH(handle, smb_fname);
 869 }
 870
 871 static NTSTATUS skel_brl_lock_windows(struct vfs_handle_struct *handle,
 872                                       struct byte_range_lock *br_lck,
 873                                       struct lock_struct *plock)
 874 {
 875         return SMB_VFS_NEXT_BRL_LOCK_WINDOWS(handle, br_lck, plock);
 876 }
 877
 878 static bool skel_brl_unlock_windows(struct vfs_handle_struct *handle,
 879                                     struct byte_range_lock *br_lck,
 880                                     const struct lock_struct *plock)
 881 {
 882         return SMB_VFS_NEXT_BRL_UNLOCK_WINDOWS(handle, br_lck, plock);
 883 }
 884
 885 static bool skel_strict_lock_check(struct vfs_handle_struct *handle,
 886                                    struct files_struct *fsp,
 887                                    struct lock_struct *plock)
 888 {
 889         return SMB_VFS_NEXT_STRICT_LOCK_CHECK(handle, fsp, plock);
 890 }
 891
 892 static NTSTATUS skel_translate_name(struct vfs_handle_struct *handle,
 893                                     const char *mapped_name,
 894                                     enum vfs_translate_direction direction,
 895                                     TALLOC_CTX *mem_ctx, char **pmapped_name)
 896 {
 897         return SMB_VFS_NEXT_TRANSLATE_NAME(handle, mapped_name, direction,
 898                                            mem_ctx, pmapped_name);
 899 }
 900
 901 static NTSTATUS skel_fsctl(struct vfs_handle_struct *handle,
 902                            struct files_struct *fsp,
 903                            TALLOC_CTX *ctx,
 904                            uint32_t function,
 905                            uint16_t req_flags,  /* Needed for UNICODE ... */
 906                            const uint8_t *_in_data,
 907                            uint32_t in_len,
 908                            uint8_t ** _out_data,
 909                            uint32_t max_out_len, uint32_t *out_len)
 910 {
 911         return SMB_VFS_NEXT_FSCTL(handle,
 912                                   fsp,
 913                                   ctx,
 914                                   function,
 915                                   req_flags,
 916                                   _in_data,
 917                                   in_len, _out_data, max_out_len, out_len);
 918 }
 919
 920 static NTSTATUS skel_freaddir_attr(struct vfs_handle_struct *handle,
 921                                    struct files_struct *fsp,
 922                                    TALLOC_CTX *mem_ctx,
 923                                    struct readdir_attr_data **pattr_data)
 924 {
 925         return SMB_VFS_NEXT_FREADDIR_ATTR(handle, fsp, mem_ctx, pattr_data);
 926 }
 927
 928 struct skel_get_dos_attributes_state {
 929         struct vfs_aio_state aio_state;
 930         uint32_t dosmode;
 931 };
 932
 933 static void skel_get_dos_attributes_done(struct tevent_req *subreq);
 934
 935 static struct tevent_req *skel_get_dos_attributes_send(
 936                         TALLOC_CTX *mem_ctx,
 937                         struct tevent_context *ev,
 938                         struct vfs_handle_struct *handle,
 939                         files_struct *dir_fsp,
 940                         struct smb_filename *smb_fname)
 941 {
 942         struct tevent_req *req = NULL;
 943         struct skel_get_dos_attributes_state *state = NULL;
 944         struct tevent_req *subreq = NULL;
 945
 946         req = tevent_req_create(mem_ctx, &state,
 947                                 struct skel_get_dos_attributes_state);
 948         if (req == NULL) {
 949                 return NULL;
 950         }
 951
 952         subreq = SMB_VFS_NEXT_GET_DOS_ATTRIBUTES_SEND(mem_ctx,
 953                                                       ev,
 954                                                       handle,
 955                                                       dir_fsp,
 956                                                       smb_fname);
 957         if (tevent_req_nomem(subreq, req)) {
 958                 return tevent_req_post(req, ev);
 959         }
 960         tevent_req_set_callback(subreq, skel_get_dos_attributes_done, req);
 961
 962         return req;
 963 }
 964
 965 static void skel_get_dos_attributes_done(struct tevent_req *subreq)
 966 {
 967         struct tevent_req *req =
 968                 tevent_req_callback_data(subreq,
 969                 struct tevent_req);
 970         struct skel_get_dos_attributes_state *state =
 971                 tevent_req_data(req,
 972                 struct skel_get_dos_attributes_state);
 973         NTSTATUS status;
 974
 975         status = SMB_VFS_NEXT_GET_DOS_ATTRIBUTES_RECV(subreq,
 976                                                       &state->aio_state,
 977                                                       &state->dosmode);
 978         TALLOC_FREE(subreq);
 979         if (tevent_req_nterror(req, status)) {
 980                 return;
 981         }
 982
 983         tevent_req_done(req);
 984         return;
 985 }
 986
 987 static NTSTATUS skel_get_dos_attributes_recv(struct tevent_req *req,
 988                                              struct vfs_aio_state *aio_state,
 989                                              uint32_t *dosmode)
 990 {
 991         struct skel_get_dos_attributes_state *state =
 992                 tevent_req_data(req,
 993                 struct skel_get_dos_attributes_state);
 994         NTSTATUS status;
 995
 996         if (tevent_req_is_nterror(req, &status)) {
 997                 tevent_req_received(req);
 998                 return status;
 999         }
1000
1001         *aio_state = state->aio_state;
1002         *dosmode = state->dosmode;
1003         tevent_req_received(req);
1004         return NT_STATUS_OK;
1005 }
1006
1007 static NTSTATUS skel_fget_dos_attributes(struct vfs_handle_struct *handle,
1008                                 struct files_struct *fsp,
1009                                 uint32_t *dosmode)
1010 {
1011         return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle,
1012                                 fsp,
1013                                 dosmode);
1014 }
1015
1016 static NTSTATUS skel_fset_dos_attributes(struct vfs_handle_struct *handle,
1017                                 struct files_struct *fsp,
1018                                 uint32_t dosmode)
1019 {
1020         return SMB_VFS_NEXT_FSET_DOS_ATTRIBUTES(handle,
1021                                 fsp,
1022                                 dosmode);
1023 }
1024
1025 static NTSTATUS skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
1026                                  uint32_t security_info,
1027                                  TALLOC_CTX *mem_ctx,
1028                                  struct security_descriptor **ppdesc)
1029 {
1030         return SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info, mem_ctx,
1031                                         ppdesc);
1032 }
1033
1034 static NTSTATUS skel_get_nt_acl_at(vfs_handle_struct *handle,
1035                                 struct files_struct *dirfsp,
1036                                 const struct smb_filename *smb_fname,
1037                                 uint32_t security_info,
1038                                 TALLOC_CTX *mem_ctx,
1039                                 struct security_descriptor **ppdesc)
1040 {
1041         return SMB_VFS_NEXT_GET_NT_ACL_AT(handle,
1042                                 dirfsp,
1043                                 smb_fname,
1044                                 security_info,
1045                                 mem_ctx,
1046                                 ppdesc);
1047 }
1048
1049 static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
1050                                  uint32_t security_info_sent,
1051                                  const struct security_descriptor *psd)
1052 {
1053         return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
1054 }
1055
1056 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,
1057                                        const struct smb_filename *smb_fname,
1058                                        SMB_ACL_TYPE_T type,
1059                                        TALLOC_CTX *mem_ctx)
1060 {
1061         return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, smb_fname, type, mem_ctx);
1062 }
1063
1064 static SMB_ACL_T skel_sys_acl_get_fd(vfs_handle_struct *handle,
1065                                      files_struct *fsp, TALLOC_CTX *mem_ctx)
1066 {
1067         return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp, mem_ctx);
1068 }
1069
1070 static int skel_sys_acl_blob_get_file(vfs_handle_struct *handle,
1071                                 const struct smb_filename *smb_fname,
1072                                 TALLOC_CTX *mem_ctx,
1073                                 char **blob_description,
1074                                 DATA_BLOB *blob)
1075 {
1076         return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FILE(handle, smb_fname, mem_ctx,
1077                                                   blob_description, blob);
1078 }
1079
1080 static int skel_sys_acl_blob_get_fd(vfs_handle_struct *handle,
1081                                     files_struct *fsp, TALLOC_CTX *mem_ctx,
1082                                     char **blob_description, DATA_BLOB *blob)
1083 {
1084         return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FD(handle, fsp, mem_ctx,
1085                                                 blob_description, blob);
1086 }
1087
1088 static int skel_sys_acl_set_fd(vfs_handle_struct *handle,
1089                                struct files_struct *fsp,
1090                                SMB_ACL_TYPE_T type,
1091                                SMB_ACL_T theacl)
1092 {
1093         return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, type, theacl);
1094 }
1095
1096 static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle,
1097                                         const struct smb_filename *smb_fname)
1098 {
1099         return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, smb_fname);
1100 }
1101
1102 static ssize_t skel_getxattr(vfs_handle_struct *handle,
1103                                 const struct smb_filename *smb_fname,
1104                                 const char *name,
1105                                 void *value,
1106                                 size_t size)
1107 {
1108         return SMB_VFS_NEXT_GETXATTR(handle, smb_fname, name, value, size);
1109 }
1110
1111 struct skel_getxattrat_state {
1112         struct vfs_aio_state aio_state;
1113         ssize_t xattr_size;
1114         uint8_t *xattr_value;
1115 };
1116
1117 static void skel_getxattrat_done(struct tevent_req *subreq);
1118
1119 static struct tevent_req *skel_getxattrat_send(
1120                         TALLOC_CTX *mem_ctx,
1121                         struct tevent_context *ev,
1122                         struct vfs_handle_struct *handle,
1123                         files_struct *dir_fsp,
1124                         const struct smb_filename *smb_fname,
1125                         const char *xattr_name,
1126                         size_t alloc_hint)
1127 {
1128         struct tevent_req *req = NULL;
1129         struct skel_getxattrat_state *state = NULL;
1130         struct tevent_req *subreq = NULL;
1131
1132         req = tevent_req_create(mem_ctx, &state,
1133                                 struct skel_getxattrat_state);
1134         if (req == NULL) {
1135                 return NULL;
1136         }
1137
1138         subreq = SMB_VFS_NEXT_GETXATTRAT_SEND(state,
1139                                               ev,
1140                                               handle,
1141                                               dir_fsp,
1142                                               smb_fname,
1143                                               xattr_name,
1144                                               alloc_hint);
1145         if (tevent_req_nomem(subreq, req)) {
1146                 return tevent_req_post(req, ev);
1147         }
1148         tevent_req_set_callback(subreq, skel_getxattrat_done, req);
1149
1150         return req;
1151 }
1152
1153 static void skel_getxattrat_done(struct tevent_req *subreq)
1154 {
1155         struct tevent_req *req = tevent_req_callback_data(
1156                 subreq, struct tevent_req);
1157         struct skel_getxattrat_state *state = tevent_req_data(
1158                 req, struct skel_getxattrat_state);
1159
1160         state->xattr_size = SMB_VFS_NEXT_GETXATTRAT_RECV(subreq,
1161                                                          &state->aio_state,
1162                                                          state,
1163                                                          &state->xattr_value);
1164         TALLOC_FREE(subreq);
1165         if (state->xattr_size == -1) {
1166                 tevent_req_error(req, state->aio_state.error);
1167                 return;
1168         }
1169
1170         tevent_req_done(req);
1171 }
1172
1173 static ssize_t skel_getxattrat_recv(struct tevent_req *req,
1174                                     struct vfs_aio_state *aio_state,
1175                                     TALLOC_CTX *mem_ctx,
1176                                     uint8_t **xattr_value)
1177 {
1178         struct skel_getxattrat_state *state = tevent_req_data(
1179                 req, struct skel_getxattrat_state);
1180         ssize_t xattr_size;
1181
1182         if (tevent_req_is_unix_error(req, &aio_state->error)) {
1183                 tevent_req_received(req);
1184                 return -1;
1185         }
1186
1187         *aio_state = state->aio_state;
1188         xattr_size = state->xattr_size;
1189         if (xattr_value != NULL) {
1190                 *xattr_value = talloc_move(mem_ctx, &state->xattr_value);
1191         }
1192
1193         tevent_req_received(req);
1194         return xattr_size;
1195 }
1196
1197 static ssize_t skel_fgetxattr(vfs_handle_struct *handle,
1198                               struct files_struct *fsp, const char *name,
1199                               void *value, size_t size)
1200 {
1201         return SMB_VFS_NEXT_FGETXATTR(handle, fsp, name, value, size);
1202 }
1203
1204 static ssize_t skel_flistxattr(vfs_handle_struct *handle,
1205                                struct files_struct *fsp, char *list,
1206                                size_t size)
1207 {
1208         return SMB_VFS_NEXT_FLISTXATTR(handle, fsp, list, size);
1209 }
1210
1211 static int skel_fremovexattr(vfs_handle_struct *handle,
1212                              struct files_struct *fsp, const char *name)
1213 {
1214         return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, name);
1215 }
1216
1217 static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,
1218                           const char *name, const void *value, size_t size,
1219                           int flags)
1220 {
1221         return SMB_VFS_NEXT_FSETXATTR(handle, fsp, name, value, size, flags);
1222 }
1223
1224 static bool skel_aio_force(struct vfs_handle_struct *handle,
1225                            struct files_struct *fsp)
1226 {
1227         return SMB_VFS_NEXT_AIO_FORCE(handle, fsp);
1228 }
1229
1230 static NTSTATUS skel_audit_file(struct vfs_handle_struct *handle,
1231                                 struct smb_filename *file,
1232                                 struct security_acl *sacl,
1233                                 uint32_t access_requested,
1234                                 uint32_t access_denied)
1235 {
1236         return SMB_VFS_NEXT_AUDIT_FILE(handle,
1237                                        file,
1238                                        sacl,
1239                                        access_requested,
1240                                        access_denied);
1241 }
1242
1243 static NTSTATUS skel_durable_cookie(struct vfs_handle_struct *handle,
1244                                     struct files_struct *fsp,
1245                                     TALLOC_CTX *mem_ctx,
1246                                     DATA_BLOB *cookie)
1247 {
1248         return SMB_VFS_NEXT_DURABLE_COOKIE(handle,
1249                                            fsp,
1250                                            mem_ctx,
1251                                            cookie);
1252 }
1253
1254 static NTSTATUS skel_durable_disconnect(struct vfs_handle_struct *handle,
1255                                         struct files_struct *fsp,
1256                                         const DATA_BLOB old_cookie,
1257                                         TALLOC_CTX *mem_ctx,
1258                                         DATA_BLOB *new_cookie)
1259 {
1260         return SMB_VFS_NEXT_DURABLE_DISCONNECT(handle,
1261                                                fsp,
1262                                                old_cookie,
1263                                                mem_ctx,
1264                                                new_cookie);
1265 }
1266
1267 static NTSTATUS skel_durable_reconnect(struct vfs_handle_struct *handle,
1268                                        struct smb_request *smb1req,
1269                                        struct smbXsrv_open *op,
1270                                        const DATA_BLOB old_cookie,
1271                                        TALLOC_CTX *mem_ctx,
1272                                        struct files_struct **fsp,
1273                                        DATA_BLOB *new_cookie)
1274 {
1275         return SMB_VFS_NEXT_DURABLE_RECONNECT(handle,
1276                                               smb1req,
1277                                               op,
1278                                               old_cookie,
1279                                               mem_ctx,
1280                                               fsp,
1281                                               new_cookie);
1282 }
1283
1284 /* VFS operations structure */
1285
1286 static struct vfs_fn_pointers skel_transparent_fns = {
1287         /* Disk operations */
1288
1289         .connect_fn = skel_connect,
1290         .disconnect_fn = skel_disconnect,
1291         .disk_free_fn = skel_disk_free,
1292         .get_quota_fn = skel_get_quota,
1293         .set_quota_fn = skel_set_quota,
1294         .get_shadow_copy_data_fn = skel_get_shadow_copy_data,
1295         .statvfs_fn = skel_statvfs,
1296         .fs_capabilities_fn = skel_fs_capabilities,
1297         .get_dfs_referrals_fn = skel_get_dfs_referrals,
1298         .create_dfs_pathat_fn = skel_create_dfs_pathat,
1299         .read_dfs_pathat_fn = skel_read_dfs_pathat,
1300         .snap_check_path_fn = skel_snap_check_path,
1301         .snap_create_fn = skel_snap_create,
1302         .snap_delete_fn = skel_snap_delete,
1303
1304         /* Directory operations */
1305
1306         .fdopendir_fn = skel_fdopendir,
1307         .readdir_fn = skel_readdir,
1308         .seekdir_fn = skel_seekdir,
1309         .telldir_fn = skel_telldir,
1310         .rewind_dir_fn = skel_rewind_dir,
1311         .mkdirat_fn = skel_mkdirat,
1312         .closedir_fn = skel_closedir,
1313
1314         /* File operations */
1315
1316         .openat_fn = skel_openat,
1317         .create_file_fn = skel_create_file,
1318         .close_fn = skel_close_fn,
1319         .pread_fn = skel_pread,
1320         .pread_send_fn = skel_pread_send,
1321         .pread_recv_fn = skel_pread_recv,
1322         .pwrite_fn = skel_pwrite,
1323         .pwrite_send_fn = skel_pwrite_send,
1324         .pwrite_recv_fn = skel_pwrite_recv,
1325         .lseek_fn = skel_lseek,
1326         .sendfile_fn = skel_sendfile,
1327         .recvfile_fn = skel_recvfile,
1328         .renameat_fn = skel_renameat,
1329         .fsync_send_fn = skel_fsync_send,
1330         .fsync_recv_fn = skel_fsync_recv,
1331         .stat_fn = skel_stat,
1332         .fstat_fn = skel_fstat,
1333         .lstat_fn = skel_lstat,
1334         .get_alloc_size_fn = skel_get_alloc_size,
1335         .unlinkat_fn = skel_unlinkat,
1336         .fchmod_fn = skel_fchmod,
1337         .fchown_fn = skel_fchown,
1338         .lchown_fn = skel_lchown,
1339         .chdir_fn = skel_chdir,
1340         .getwd_fn = skel_getwd,
1341         .fntimes_fn = skel_fntimes,
1342         .ftruncate_fn = skel_ftruncate,
1343         .fallocate_fn = skel_fallocate,
1344         .lock_fn = skel_lock,
1345         .kernel_flock_fn = skel_kernel_flock,
1346         .fcntl_fn = skel_fcntl,
1347         .linux_setlease_fn = skel_linux_setlease,
1348         .getlock_fn = skel_getlock,
1349         .symlinkat_fn = skel_symlinkat,
1350         .readlinkat_fn = skel_vfs_readlinkat,
1351         .linkat_fn = skel_linkat,
1352         .mknodat_fn = skel_mknodat,
1353         .realpath_fn = skel_realpath,
1354         .chflags_fn = skel_chflags,
1355         .file_id_create_fn = skel_file_id_create,
1356         .fs_file_id_fn = skel_fs_file_id,
1357         .offload_read_send_fn = skel_offload_read_send,
1358         .offload_read_recv_fn = skel_offload_read_recv,
1359         .offload_write_send_fn = skel_offload_write_send,
1360         .offload_write_recv_fn = skel_offload_write_recv,
1361         .fget_compression_fn = skel_fget_compression,
1362         .set_compression_fn = skel_set_compression,
1363
1364         .fstreaminfo_fn = skel_fstreaminfo,
1365         .get_real_filename_fn = skel_get_real_filename,
1366         .connectpath_fn = skel_connectpath,
1367         .brl_lock_windows_fn = skel_brl_lock_windows,
1368         .brl_unlock_windows_fn = skel_brl_unlock_windows,
1369         .strict_lock_check_fn = skel_strict_lock_check,
1370         .translate_name_fn = skel_translate_name,
1371         .fsctl_fn = skel_fsctl,
1372         .freaddir_attr_fn = skel_freaddir_attr,
1373         .audit_file_fn = skel_audit_file,
1374
1375         /* DOS attributes. */
1376         .get_dos_attributes_send_fn = skel_get_dos_attributes_send,
1377         .get_dos_attributes_recv_fn = skel_get_dos_attributes_recv,
1378         .fget_dos_attributes_fn = skel_fget_dos_attributes,
1379         .fset_dos_attributes_fn = skel_fset_dos_attributes,
1380
1381         /* NT ACL operations. */
1382
1383         .fget_nt_acl_fn = skel_fget_nt_acl,
1384         .get_nt_acl_at_fn = skel_get_nt_acl_at,
1385         .fset_nt_acl_fn = skel_fset_nt_acl,
1386
1387         /* POSIX ACL operations. */
1388
1389         .sys_acl_get_file_fn = skel_sys_acl_get_file,
1390         .sys_acl_get_fd_fn = skel_sys_acl_get_fd,
1391         .sys_acl_blob_get_file_fn = skel_sys_acl_blob_get_file,
1392         .sys_acl_blob_get_fd_fn = skel_sys_acl_blob_get_fd,
1393         .sys_acl_set_fd_fn = skel_sys_acl_set_fd,
1394         .sys_acl_delete_def_file_fn = skel_sys_acl_delete_def_file,
1395
1396         /* EA operations. */
1397         .getxattr_fn = skel_getxattr,
1398         .getxattrat_send_fn = skel_getxattrat_send,
1399         .getxattrat_recv_fn = skel_getxattrat_recv,
1400         .fgetxattr_fn = skel_fgetxattr,
1401         .flistxattr_fn = skel_flistxattr,
1402         .fremovexattr_fn = skel_fremovexattr,
1403         .fsetxattr_fn = skel_fsetxattr,
1404
1405         /* aio operations */
1406         .aio_force_fn = skel_aio_force,
1407
1408         /* durable handle operations */
1409         .durable_cookie_fn = skel_durable_cookie,
1410         .durable_disconnect_fn = skel_durable_disconnect,
1411         .durable_reconnect_fn = skel_durable_reconnect,
1412 };
1413
1414 static_decl_vfs;
1415 NTSTATUS vfs_skel_transparent_init(TALLOC_CTX *ctx)
1416 {
1417         /*
1418          * smb_vfs_assert_all_fns() is only needed in
1419          * order to have a complete example.
1420          *
1421          * A transparent vfs module typically don't
1422          * need to implement every calls.
1423          */
1424         smb_vfs_assert_all_fns(&skel_transparent_fns, "skel_transparent");
1425         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_transparent",
1426                                 &skel_transparent_fns);
1427 }