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