source3/smbd/vfs.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    VFS initialisation and support functions
   5    Copyright (C) Tim Potter 1999
   6    Copyright (C) Alexander Bokovoy 2002
   7    Copyright (C) James Peach 2006
   8    Copyright (C) Volker Lendecke 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    This work was sponsored by Optifacio Software Services, Inc.
  24 */
  25
  26 #include "includes.h"
  27 #include "smbd/globals.h"
  28
  29 #undef DBGC_CLASS
  30 #define DBGC_CLASS DBGC_VFS
  31
  32 static_decl_vfs;
  33
  34 struct vfs_init_function_entry {
  35         char *name;
  36         struct vfs_init_function_entry *prev, *next;
  37         const struct vfs_fn_pointers *fns;
  38 };
  39
  40 /****************************************************************************
  41     maintain the list of available backends
  42 ****************************************************************************/
  43
  44 static struct vfs_init_function_entry *vfs_find_backend_entry(const char *name)
  45 {
  46         struct vfs_init_function_entry *entry = backends;
  47
  48         DEBUG(10, ("vfs_find_backend_entry called for %s\n", name));
  49
  50         while(entry) {
  51                 if (strcmp(entry->name, name)==0) return entry;
  52                 entry = entry->next;
  53         }
  54
  55         return NULL;
  56 }
  57
  58 NTSTATUS smb_register_vfs(int version, const char *name,
  59                           const struct vfs_fn_pointers *fns)
  60 {
  61         struct vfs_init_function_entry *entry = backends;
  62
  63         if ((version != SMB_VFS_INTERFACE_VERSION)) {
  64                 DEBUG(0, ("Failed to register vfs module.\n"
  65                           "The module was compiled against SMB_VFS_INTERFACE_VERSION %d,\n"
  66                           "current SMB_VFS_INTERFACE_VERSION is %d.\n"
  67                           "Please recompile against the current Samba Version!\n",
  68                           version, SMB_VFS_INTERFACE_VERSION));
  69                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
  70         }
  71
  72         if (!name || !name[0]) {
  73                 DEBUG(0,("smb_register_vfs() called with NULL pointer or empty name!\n"));
  74                 return NT_STATUS_INVALID_PARAMETER;
  75         }
  76
  77         if (vfs_find_backend_entry(name)) {
  78                 DEBUG(0,("VFS module %s already loaded!\n", name));
  79                 return NT_STATUS_OBJECT_NAME_COLLISION;
  80         }
  81
  82         entry = SMB_XMALLOC_P(struct vfs_init_function_entry);
  83         entry->name = smb_xstrdup(name);
  84         entry->fns = fns;
  85
  86         DLIST_ADD(backends, entry);
  87         DEBUG(5, ("Successfully added vfs backend '%s'\n", name));
  88         return NT_STATUS_OK;
  89 }
  90
  91 /****************************************************************************
  92   initialise default vfs hooks
  93 ****************************************************************************/
  94
  95 static void vfs_init_default(connection_struct *conn)
  96 {
  97         DEBUG(3, ("Initialising default vfs hooks\n"));
  98         vfs_init_custom(conn, DEFAULT_VFS_MODULE_NAME);
  99 }
 100
 101 /****************************************************************************
 102   initialise custom vfs hooks
 103  ****************************************************************************/
 104
 105 bool vfs_init_custom(connection_struct *conn, const char *vfs_object)
 106 {
 107         char *module_path = NULL;
 108         char *module_name = NULL;
 109         char *module_param = NULL, *p;
 110         vfs_handle_struct *handle;
 111         const struct vfs_init_function_entry *entry;
 112
 113         if (!conn||!vfs_object||!vfs_object[0]) {
 114                 DEBUG(0, ("vfs_init_custom() called with NULL pointer or "
 115                           "empty vfs_object!\n"));
 116                 return False;
 117         }
 118
 119         if(!backends) {
 120                 static_init_vfs;
 121         }
 122
 123         DEBUG(3, ("Initialising custom vfs hooks from [%s]\n", vfs_object));
 124
 125         module_path = smb_xstrdup(vfs_object);
 126
 127         p = strchr_m(module_path, ':');
 128
 129         if (p) {
 130                 *p = 0;
 131                 module_param = p+1;
 132                 trim_char(module_param, ' ', ' ');
 133         }
 134
 135         trim_char(module_path, ' ', ' ');
 136
 137         module_name = smb_xstrdup(module_path);
 138
 139         if ((module_name[0] == '/') &&
 140             (strcmp(module_path, DEFAULT_VFS_MODULE_NAME) != 0)) {
 141
 142                 /*
 143                  * Extract the module name from the path. Just use the base
 144                  * name of the last path component.
 145                  */
 146
 147                 SAFE_FREE(module_name);
 148                 module_name = smb_xstrdup(strrchr_m(module_path, '/')+1);
 149
 150                 p = strchr_m(module_name, '.');
 151
 152                 if (p != NULL) {
 153                         *p = '\0';
 154                 }
 155         }
 156
 157         /* First, try to load the module with the new module system */
 158         entry = vfs_find_backend_entry(module_name);
 159         if (!entry) {
 160                 NTSTATUS status;
 161
 162                 DEBUG(5, ("vfs module [%s] not loaded - trying to load...\n",
 163                           vfs_object));
 164
 165                 status = smb_probe_module("vfs", module_path);
 166                 if (!NT_STATUS_IS_OK(status)) {
 167                         DEBUG(0, ("error probing vfs module '%s': %s\n",
 168                                   module_path, nt_errstr(status)));
 169                         goto fail;
 170                 }
 171
 172                 entry = vfs_find_backend_entry(module_name);
 173                 if (!entry) {
 174                         DEBUG(0,("Can't find a vfs module [%s]\n",vfs_object));
 175                         goto fail;
 176                 }
 177         }
 178
 179         DEBUGADD(5,("Successfully loaded vfs module [%s] with the new modules system\n", vfs_object));
 180
 181         handle = TALLOC_ZERO_P(conn, vfs_handle_struct);
 182         if (!handle) {
 183                 DEBUG(0,("TALLOC_ZERO() failed!\n"));
 184                 goto fail;
 185         }
 186         handle->conn = conn;
 187         handle->fns = entry->fns;
 188         if (module_param) {
 189                 handle->param = talloc_strdup(conn, module_param);
 190         }
 191         DLIST_ADD(conn->vfs_handles, handle);
 192
 193         SAFE_FREE(module_path);
 194         SAFE_FREE(module_name);
 195         return True;
 196
 197  fail:
 198         SAFE_FREE(module_path);
 199         SAFE_FREE(module_name);
 200         return False;
 201 }
 202
 203 /*****************************************************************
 204  Allow VFS modules to extend files_struct with VFS-specific state.
 205  This will be ok for small numbers of extensions, but might need to
 206  be refactored if it becomes more widely used.
 207 ******************************************************************/
 208
 209 #define EXT_DATA_AREA(e) ((uint8 *)(e) + sizeof(struct vfs_fsp_data))
 210
 211 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
 212                                    files_struct *fsp, size_t ext_size,
 213                                    void (*destroy_fn)(void *p_data))
 214 {
 215         struct vfs_fsp_data *ext;
 216         void * ext_data;
 217
 218         /* Prevent VFS modules adding multiple extensions. */
 219         if ((ext_data = vfs_fetch_fsp_extension(handle, fsp))) {
 220                 return ext_data;
 221         }
 222
 223         ext = (struct vfs_fsp_data *)TALLOC_ZERO(
 224                 handle->conn, sizeof(struct vfs_fsp_data) + ext_size);
 225         if (ext == NULL) {
 226                 return NULL;
 227         }
 228
 229         ext->owner = handle;
 230         ext->next = fsp->vfs_extension;
 231         ext->destroy = destroy_fn;
 232         fsp->vfs_extension = ext;
 233         return EXT_DATA_AREA(ext);
 234 }
 235
 236 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
 237 {
 238         struct vfs_fsp_data *curr;
 239         struct vfs_fsp_data *prev;
 240
 241         for (curr = fsp->vfs_extension, prev = NULL;
 242              curr;
 243              prev = curr, curr = curr->next) {
 244                 if (curr->owner == handle) {
 245                     if (prev) {
 246                             prev->next = curr->next;
 247                     } else {
 248                             fsp->vfs_extension = curr->next;
 249                     }
 250                     if (curr->destroy) {
 251                             curr->destroy(EXT_DATA_AREA(curr));
 252                     }
 253                     TALLOC_FREE(curr);
 254                     return;
 255                 }
 256         }
 257 }
 258
 259 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
 260 {
 261         struct vfs_fsp_data *head;
 262
 263         for (head = fsp->vfs_extension; head; head = head->next) {
 264                 if (head->owner == handle) {
 265                         return head;
 266                 }
 267         }
 268
 269         return NULL;
 270 }
 271
 272 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
 273 {
 274         struct vfs_fsp_data *head;
 275
 276         head = (struct vfs_fsp_data *)vfs_memctx_fsp_extension(handle, fsp);
 277         if (head != NULL) {
 278                 return EXT_DATA_AREA(head);
 279         }
 280
 281         return NULL;
 282 }
 283
 284 #undef EXT_DATA_AREA
 285
 286 /*****************************************************************
 287  Generic VFS init.
 288 ******************************************************************/
 289
 290 bool smbd_vfs_init(connection_struct *conn)
 291 {
 292         const char **vfs_objects;
 293         unsigned int i = 0;
 294         int j = 0;
 295
 296         /* Normal share - initialise with disk access functions */
 297         vfs_init_default(conn);
 298         vfs_objects = lp_vfs_objects(SNUM(conn));
 299
 300         /* Override VFS functions if 'vfs object' was not specified*/
 301         if (!vfs_objects || !vfs_objects[0])
 302                 return True;
 303
 304         for (i=0; vfs_objects[i] ;) {
 305                 i++;
 306         }
 307
 308         for (j=i-1; j >= 0; j--) {
 309                 if (!vfs_init_custom(conn, vfs_objects[j])) {
 310                         DEBUG(0, ("smbd_vfs_init: vfs_init_custom failed for %s\n", vfs_objects[j]));
 311                         return False;
 312                 }
 313         }
 314         return True;
 315 }
 316
 317 /*******************************************************************
 318  Check if a file exists in the vfs.
 319 ********************************************************************/
 320
 321 NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname)
 322 {
 323         /* Only return OK if stat was successful and S_ISREG */
 324         if ((SMB_VFS_STAT(conn, smb_fname) != -1) &&
 325             S_ISREG(smb_fname->st.st_ex_mode)) {
 326                 return NT_STATUS_OK;
 327         }
 328
 329         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 330 }
 331
 332 /****************************************************************************
 333  Read data from fsp on the vfs. (note: EINTR re-read differs from vfs_write_data)
 334 ****************************************************************************/
 335
 336 ssize_t vfs_read_data(files_struct *fsp, char *buf, size_t byte_count)
 337 {
 338         size_t total=0;
 339
 340         while (total < byte_count)
 341         {
 342                 ssize_t ret = SMB_VFS_READ(fsp, buf + total,
 343                                            byte_count - total);
 344
 345                 if (ret == 0) return total;
 346                 if (ret == -1) {
 347                         if (errno == EINTR)
 348                                 continue;
 349                         else
 350                                 return -1;
 351                 }
 352                 total += ret;
 353         }
 354         return (ssize_t)total;
 355 }
 356
 357 ssize_t vfs_pread_data(files_struct *fsp, char *buf,
 358                 size_t byte_count, SMB_OFF_T offset)
 359 {
 360         size_t total=0;
 361
 362         while (total < byte_count)
 363         {
 364                 ssize_t ret = SMB_VFS_PREAD(fsp, buf + total,
 365                                         byte_count - total, offset + total);
 366
 367                 if (ret == 0) return total;
 368                 if (ret == -1) {
 369                         if (errno == EINTR)
 370                                 continue;
 371                         else
 372                                 return -1;
 373                 }
 374                 total += ret;
 375         }
 376         return (ssize_t)total;
 377 }
 378
 379 /****************************************************************************
 380  Write data to a fd on the vfs.
 381 ****************************************************************************/
 382
 383 ssize_t vfs_write_data(struct smb_request *req,
 384                         files_struct *fsp,
 385                         const char *buffer,
 386                         size_t N)
 387 {
 388         size_t total=0;
 389         ssize_t ret;
 390
 391         if (req && req->unread_bytes) {
 392                 SMB_ASSERT(req->unread_bytes == N);
 393                 /* VFS_RECVFILE must drain the socket
 394                  * before returning. */
 395                 req->unread_bytes = 0;
 396                 return SMB_VFS_RECVFILE(req->sconn->sock,
 397                                         fsp,
 398                                         (SMB_OFF_T)-1,
 399                                         N);
 400         }
 401
 402         while (total < N) {
 403                 ret = SMB_VFS_WRITE(fsp, buffer + total, N - total);
 404
 405                 if (ret == -1)
 406                         return -1;
 407                 if (ret == 0)
 408                         return total;
 409
 410                 total += ret;
 411         }
 412         return (ssize_t)total;
 413 }
 414
 415 ssize_t vfs_pwrite_data(struct smb_request *req,
 416                         files_struct *fsp,
 417                         const char *buffer,
 418                         size_t N,
 419                         SMB_OFF_T offset)
 420 {
 421         size_t total=0;
 422         ssize_t ret;
 423
 424         if (req && req->unread_bytes) {
 425                 SMB_ASSERT(req->unread_bytes == N);
 426                 /* VFS_RECVFILE must drain the socket
 427                  * before returning. */
 428                 req->unread_bytes = 0;
 429                 return SMB_VFS_RECVFILE(req->sconn->sock,
 430                                         fsp,
 431                                         offset,
 432                                         N);
 433         }
 434
 435         while (total < N) {
 436                 ret = SMB_VFS_PWRITE(fsp, buffer + total, N - total,
 437                                      offset + total);
 438
 439                 if (ret == -1)
 440                         return -1;
 441                 if (ret == 0)
 442                         return total;
 443
 444                 total += ret;
 445         }
 446         return (ssize_t)total;
 447 }
 448 /****************************************************************************
 449  An allocate file space call using the vfs interface.
 450  Allocates space for a file from a filedescriptor.
 451  Returns 0 on success, -1 on failure.
 452 ****************************************************************************/
 453
 454 int vfs_allocate_file_space(files_struct *fsp, uint64_t len)
 455 {
 456         int ret;
 457         SMB_STRUCT_STAT st;
 458         connection_struct *conn = fsp->conn;
 459         uint64_t space_avail;
 460         uint64_t bsize,dfree,dsize;
 461
 462         /*
 463          * Actually try and commit the space on disk....
 464          */
 465
 466         DEBUG(10,("vfs_allocate_file_space: file %s, len %.0f\n",
 467                   fsp_str_dbg(fsp), (double)len));
 468
 469         if (((SMB_OFF_T)len) < 0) {
 470                 DEBUG(0,("vfs_allocate_file_space: %s negative len "
 471                          "requested.\n", fsp_str_dbg(fsp)));
 472                 errno = EINVAL;
 473                 return -1;
 474         }
 475
 476         ret = SMB_VFS_FSTAT(fsp, &st);
 477         if (ret == -1)
 478                 return ret;
 479
 480         if (len == (uint64_t)st.st_ex_size)
 481                 return 0;
 482
 483         if (len < (uint64_t)st.st_ex_size) {
 484                 /* Shrink - use ftruncate. */
 485
 486                 DEBUG(10,("vfs_allocate_file_space: file %s, shrink. Current "
 487                           "size %.0f\n", fsp_str_dbg(fsp),
 488                           (double)st.st_ex_size));
 489
 490                 contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
 491
 492                 flush_write_cache(fsp, SIZECHANGE_FLUSH);
 493                 if ((ret = SMB_VFS_FTRUNCATE(fsp, (SMB_OFF_T)len)) != -1) {
 494                         set_filelen_write_cache(fsp, len);
 495                 }
 496
 497                 contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
 498
 499                 return ret;
 500         }
 501
 502         /* Grow - we need to test if we have enough space. */
 503
 504         contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_GROW);
 505         contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_GROW);
 506
 507         if (!lp_strict_allocate(SNUM(fsp->conn)))
 508                 return 0;
 509
 510         len -= st.st_ex_size;
 511         len /= 1024; /* Len is now number of 1k blocks needed. */
 512         space_avail = get_dfree_info(conn, fsp->fsp_name->base_name, false,
 513                                      &bsize, &dfree, &dsize);
 514         if (space_avail == (uint64_t)-1) {
 515                 return -1;
 516         }
 517
 518         DEBUG(10,("vfs_allocate_file_space: file %s, grow. Current size %.0f, "
 519                   "needed blocks = %.0f, space avail = %.0f\n",
 520                   fsp_str_dbg(fsp), (double)st.st_ex_size, (double)len,
 521                   (double)space_avail));
 522
 523         if (len > space_avail) {
 524                 errno = ENOSPC;
 525                 return -1;
 526         }
 527
 528         return 0;
 529 }
 530
 531 /****************************************************************************
 532  A vfs set_filelen call.
 533  set the length of a file from a filedescriptor.
 534  Returns 0 on success, -1 on failure.
 535 ****************************************************************************/
 536
 537 int vfs_set_filelen(files_struct *fsp, SMB_OFF_T len)
 538 {
 539         int ret;
 540
 541         contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
 542
 543         DEBUG(10,("vfs_set_filelen: ftruncate %s to len %.0f\n",
 544                   fsp_str_dbg(fsp), (double)len));
 545         flush_write_cache(fsp, SIZECHANGE_FLUSH);
 546         if ((ret = SMB_VFS_FTRUNCATE(fsp, len)) != -1) {
 547                 set_filelen_write_cache(fsp, len);
 548                 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
 549                              FILE_NOTIFY_CHANGE_SIZE
 550                              | FILE_NOTIFY_CHANGE_ATTRIBUTES,
 551                              fsp->fsp_name->base_name);
 552         }
 553
 554         contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
 555
 556         return ret;
 557 }
 558
 559 /****************************************************************************
 560  A vfs fill sparse call.
 561  Writes zeros from the end of file to len, if len is greater than EOF.
 562  Used only by strict_sync.
 563  Returns 0 on success, -1 on failure.
 564 ****************************************************************************/
 565
 566 #define SPARSE_BUF_WRITE_SIZE (32*1024)
 567
 568 int vfs_fill_sparse(files_struct *fsp, SMB_OFF_T len)
 569 {
 570         int ret;
 571         SMB_STRUCT_STAT st;
 572         SMB_OFF_T offset;
 573         size_t total;
 574         size_t num_to_write;
 575         ssize_t pwrite_ret;
 576
 577         ret = SMB_VFS_FSTAT(fsp, &st);
 578         if (ret == -1) {
 579                 return ret;
 580         }
 581
 582         if (len <= st.st_ex_size) {
 583                 return 0;
 584         }
 585
 586         DEBUG(10,("vfs_fill_sparse: write zeros in file %s from len %.0f to "
 587                   "len %.0f (%.0f bytes)\n", fsp_str_dbg(fsp),
 588                   (double)st.st_ex_size, (double)len,
 589                   (double)(len - st.st_ex_size)));
 590
 591         contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_FILL_SPARSE);
 592
 593         flush_write_cache(fsp, SIZECHANGE_FLUSH);
 594
 595         if (!sparse_buf) {
 596                 sparse_buf = SMB_CALLOC_ARRAY(char, SPARSE_BUF_WRITE_SIZE);
 597                 if (!sparse_buf) {
 598                         errno = ENOMEM;
 599                         ret = -1;
 600                         goto out;
 601                 }
 602         }
 603
 604         offset = st.st_ex_size;
 605         num_to_write = len - st.st_ex_size;
 606         total = 0;
 607
 608         while (total < num_to_write) {
 609                 size_t curr_write_size = MIN(SPARSE_BUF_WRITE_SIZE, (num_to_write - total));
 610
 611                 pwrite_ret = SMB_VFS_PWRITE(fsp, sparse_buf, curr_write_size, offset + total);
 612                 if (pwrite_ret == -1) {
 613                         DEBUG(10,("vfs_fill_sparse: SMB_VFS_PWRITE for file "
 614                                   "%s failed with error %s\n",
 615                                   fsp_str_dbg(fsp), strerror(errno)));
 616                         ret = -1;
 617                         goto out;
 618                 }
 619                 if (pwrite_ret == 0) {
 620                         ret = 0;
 621                         goto out;
 622                 }
 623
 624                 total += pwrite_ret;
 625         }
 626
 627         set_filelen_write_cache(fsp, len);
 628
 629         ret = 0;
 630  out:
 631         contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_FILL_SPARSE);
 632         return ret;
 633 }
 634
 635 /****************************************************************************
 636  Transfer some data (n bytes) between two file_struct's.
 637 ****************************************************************************/
 638
 639 static ssize_t vfs_read_fn(void *file, void *buf, size_t len)
 640 {
 641         struct files_struct *fsp = (struct files_struct *)file;
 642
 643         return SMB_VFS_READ(fsp, buf, len);
 644 }
 645
 646 static ssize_t vfs_write_fn(void *file, const void *buf, size_t len)
 647 {
 648         struct files_struct *fsp = (struct files_struct *)file;
 649
 650         return SMB_VFS_WRITE(fsp, buf, len);
 651 }
 652
 653 SMB_OFF_T vfs_transfer_file(files_struct *in, files_struct *out, SMB_OFF_T n)
 654 {
 655         return transfer_file_internal((void *)in, (void *)out, n,
 656                                       vfs_read_fn, vfs_write_fn);
 657 }
 658
 659 /*******************************************************************
 660  A vfs_readdir wrapper which just returns the file name.
 661 ********************************************************************/
 662
 663 const char *vfs_readdirname(connection_struct *conn, void *p,
 664                             SMB_STRUCT_STAT *sbuf, char **talloced)
 665 {
 666         SMB_STRUCT_DIRENT *ptr= NULL;
 667         const char *dname;
 668         char *translated;
 669         NTSTATUS status;
 670
 671         if (!p)
 672                 return(NULL);
 673
 674         ptr = SMB_VFS_READDIR(conn, (DIR *)p, sbuf);
 675         if (!ptr)
 676                 return(NULL);
 677
 678         dname = ptr->d_name;
 679
 680
 681 #ifdef NEXT2
 682         if (telldir(p) < 0)
 683                 return(NULL);
 684 #endif
 685
 686 #ifdef HAVE_BROKEN_READDIR_NAME
 687         /* using /usr/ucb/cc is BAD */
 688         dname = dname - 2;
 689 #endif
 690
 691         status = SMB_VFS_TRANSLATE_NAME(conn, dname, vfs_translate_to_windows,
 692                                         talloc_tos(), &translated);
 693         if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
 694                 *talloced = NULL;
 695                 return dname;
 696         }
 697         *talloced = translated;
 698         if (!NT_STATUS_IS_OK(status)) {
 699                 return NULL;
 700         }
 701         return translated;
 702 }
 703
 704 /*******************************************************************
 705  A wrapper for vfs_chdir().
 706 ********************************************************************/
 707
 708 int vfs_ChDir(connection_struct *conn, const char *path)
 709 {
 710         int res;
 711
 712         if (!LastDir) {
 713                 LastDir = SMB_STRDUP("");
 714         }
 715
 716         if (strcsequal(path,"."))
 717                 return(0);
 718
 719         if (*path == '/' && strcsequal(LastDir,path))
 720                 return(0);
 721
 722         DEBUG(4,("vfs_ChDir to %s\n",path));
 723
 724         res = SMB_VFS_CHDIR(conn,path);
 725         if (!res) {
 726                 SAFE_FREE(LastDir);
 727                 LastDir = SMB_STRDUP(path);
 728         }
 729         return(res);
 730 }
 731
 732 /*******************************************************************
 733  Return the absolute current directory path - given a UNIX pathname.
 734  Note that this path is returned in DOS format, not UNIX
 735  format. Note this can be called with conn == NULL.
 736 ********************************************************************/
 737
 738 char *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn)
 739 {
 740         char s[PATH_MAX+1];
 741         char *result = NULL;
 742         DATA_BLOB cache_value;
 743         struct file_id key;
 744         struct smb_filename *smb_fname_dot = NULL;
 745         struct smb_filename *smb_fname_full = NULL;
 746         NTSTATUS status;
 747
 748         *s = 0;
 749
 750         if (!lp_getwd_cache()) {
 751                 goto nocache;
 752         }
 753
 754         status = create_synthetic_smb_fname(ctx, ".", NULL, NULL,
 755                                             &smb_fname_dot);
 756         if (!NT_STATUS_IS_OK(status)) {
 757                 errno = map_errno_from_nt_status(status);
 758                 goto out;
 759         }
 760
 761         if (SMB_VFS_STAT(conn, smb_fname_dot) == -1) {
 762                 /*
 763                  * Known to fail for root: the directory may be NFS-mounted
 764                  * and exported with root_squash (so has no root access).
 765                  */
 766                 DEBUG(1,("vfs_GetWd: couldn't stat \".\" error %s "
 767                          "(NFS problem ?)\n", strerror(errno) ));
 768                 goto nocache;
 769         }
 770
 771         key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
 772
 773         if (!memcache_lookup(smbd_memcache(), GETWD_CACHE,
 774                              data_blob_const(&key, sizeof(key)),
 775                              &cache_value)) {
 776                 goto nocache;
 777         }
 778
 779         SMB_ASSERT((cache_value.length > 0)
 780                    && (cache_value.data[cache_value.length-1] == '\0'));
 781
 782         status = create_synthetic_smb_fname(ctx, (char *)cache_value.data,
 783                                             NULL, NULL, &smb_fname_full);
 784         if (!NT_STATUS_IS_OK(status)) {
 785                 errno = map_errno_from_nt_status(status);
 786                 goto out;
 787         }
 788
 789         if ((SMB_VFS_STAT(conn, smb_fname_full) == 0) &&
 790             (smb_fname_dot->st.st_ex_dev == smb_fname_full->st.st_ex_dev) &&
 791             (smb_fname_dot->st.st_ex_ino == smb_fname_full->st.st_ex_ino) &&
 792             (S_ISDIR(smb_fname_dot->st.st_ex_mode))) {
 793                 /*
 794                  * Ok, we're done
 795                  */
 796                 result = talloc_strdup(ctx, smb_fname_full->base_name);
 797                 if (result == NULL) {
 798                         errno = ENOMEM;
 799                 }
 800                 goto out;
 801         }
 802
 803  nocache:
 804
 805         /*
 806          * We don't have the information to hand so rely on traditional
 807          * methods. The very slow getcwd, which spawns a process on some
 808          * systems, or the not quite so bad getwd.
 809          */
 810
 811         if (!SMB_VFS_GETWD(conn,s)) {
 812                 DEBUG(0, ("vfs_GetWd: SMB_VFS_GETWD call failed: %s\n",
 813                           strerror(errno)));
 814                 goto out;
 815         }
 816
 817         if (lp_getwd_cache() && VALID_STAT(smb_fname_dot->st)) {
 818                 key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
 819
 820                 memcache_add(smbd_memcache(), GETWD_CACHE,
 821                              data_blob_const(&key, sizeof(key)),
 822                              data_blob_const(s, strlen(s)+1));
 823         }
 824
 825         result = talloc_strdup(ctx, s);
 826         if (result == NULL) {
 827                 errno = ENOMEM;
 828         }
 829
 830  out:
 831         TALLOC_FREE(smb_fname_dot);
 832         TALLOC_FREE(smb_fname_full);
 833         return result;
 834 }
 835
 836 /*******************************************************************
 837  Reduce a file name, removing .. elements and checking that
 838  it is below dir in the heirachy. This uses realpath.
 839 ********************************************************************/
 840
 841 NTSTATUS check_reduced_name(connection_struct *conn, const char *fname)
 842 {
 843 #ifdef REALPATH_TAKES_NULL
 844         bool free_resolved_name = True;
 845 #else
 846         char resolved_name_buf[PATH_MAX+1];
 847         bool free_resolved_name = False;
 848 #endif
 849         char *resolved_name = NULL;
 850         char *p = NULL;
 851
 852         DEBUG(3,("check_reduced_name [%s] [%s]\n", fname, conn->connectpath));
 853
 854 #ifdef REALPATH_TAKES_NULL
 855         resolved_name = SMB_VFS_REALPATH(conn,fname,NULL);
 856 #else
 857         resolved_name = SMB_VFS_REALPATH(conn,fname,resolved_name_buf);
 858 #endif
 859
 860         if (!resolved_name) {
 861                 switch (errno) {
 862                         case ENOTDIR:
 863                                 DEBUG(3,("check_reduced_name: Component not a "
 864                                          "directory in getting realpath for "
 865                                          "%s\n", fname));
 866                                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
 867                         case ENOENT:
 868                         {
 869                                 TALLOC_CTX *ctx = talloc_tos();
 870                                 char *tmp_fname = NULL;
 871                                 char *last_component = NULL;
 872                                 /* Last component didn't exist. Remove it and try and canonicalise the directory. */
 873
 874                                 tmp_fname = talloc_strdup(ctx, fname);
 875                                 if (!tmp_fname) {
 876                                         return NT_STATUS_NO_MEMORY;
 877                                 }
 878                                 p = strrchr_m(tmp_fname, '/');
 879                                 if (p) {
 880                                         *p++ = '\0';
 881                                         last_component = p;
 882                                 } else {
 883                                         last_component = tmp_fname;
 884                                         tmp_fname = talloc_strdup(ctx,
 885                                                         ".");
 886                                         if (!tmp_fname) {
 887                                                 return NT_STATUS_NO_MEMORY;
 888                                         }
 889                                 }
 890
 891 #ifdef REALPATH_TAKES_NULL
 892                                 resolved_name = SMB_VFS_REALPATH(conn,tmp_fname,NULL);
 893 #else
 894                                 resolved_name = SMB_VFS_REALPATH(conn,tmp_fname,resolved_name_buf);
 895 #endif
 896                                 if (!resolved_name) {
 897                                         NTSTATUS status = map_nt_error_from_unix(errno);
 898
 899                                         if (errno == ENOENT || errno == ENOTDIR) {
 900                                                 status = NT_STATUS_OBJECT_PATH_NOT_FOUND;
 901                                         }
 902
 903                                         DEBUG(3,("check_reduce_named: "
 904                                                  "couldn't get realpath for "
 905                                                  "%s (%s)\n",
 906                                                 fname,
 907                                                 nt_errstr(status)));
 908                                         return status;
 909                                 }
 910                                 tmp_fname = talloc_asprintf(ctx,
 911                                                 "%s/%s",
 912                                                 resolved_name,
 913                                                 last_component);
 914                                 if (!tmp_fname) {
 915                                         return NT_STATUS_NO_MEMORY;
 916                                 }
 917 #ifdef REALPATH_TAKES_NULL
 918                                 SAFE_FREE(resolved_name);
 919                                 resolved_name = SMB_STRDUP(tmp_fname);
 920                                 if (!resolved_name) {
 921                                         DEBUG(0, ("check_reduced_name: malloc "
 922                                                   "fail for %s\n", tmp_fname));
 923                                         return NT_STATUS_NO_MEMORY;
 924                                 }
 925 #else
 926                                 safe_strcpy(resolved_name_buf, tmp_fname, PATH_MAX);
 927                                 resolved_name = resolved_name_buf;
 928 #endif
 929                                 break;
 930                         }
 931                         default:
 932                                 DEBUG(1,("check_reduced_name: couldn't get "
 933                                          "realpath for %s\n", fname));
 934                                 return map_nt_error_from_unix(errno);
 935                 }
 936         }
 937
 938         DEBUG(10,("check_reduced_name realpath [%s] -> [%s]\n", fname,
 939                   resolved_name));
 940
 941         if (*resolved_name != '/') {
 942                 DEBUG(0,("check_reduced_name: realpath doesn't return "
 943                          "absolute paths !\n"));
 944                 if (free_resolved_name) {
 945                         SAFE_FREE(resolved_name);
 946                 }
 947                 return NT_STATUS_OBJECT_NAME_INVALID;
 948         }
 949
 950         /* Check for widelinks allowed. */
 951         if (!lp_widelinks(SNUM(conn))) {
 952                     const char *conn_rootdir;
 953
 954                     conn_rootdir = SMB_VFS_CONNECTPATH(conn, fname);
 955                     if (conn_rootdir == NULL) {
 956                             DEBUG(2, ("check_reduced_name: Could not get "
 957                                       "conn_rootdir\n"));
 958                             if (free_resolved_name) {
 959                                     SAFE_FREE(resolved_name);
 960                             }
 961                             return NT_STATUS_ACCESS_DENIED;
 962                     }
 963
 964                     if (strncmp(conn_rootdir, resolved_name,
 965                                 strlen(conn_rootdir)) != 0) {
 966                             DEBUG(2, ("check_reduced_name: Bad access "
 967                                       "attempt: %s is a symlink outside the "
 968                                       "share path\n", fname));
 969                             if (free_resolved_name) {
 970                                     SAFE_FREE(resolved_name);
 971                             }
 972                             return NT_STATUS_ACCESS_DENIED;
 973                     }
 974         }
 975
 976         /* Check if we are allowing users to follow symlinks */
 977         /* Patch from David Clerc <David.Clerc@cui.unige.ch>
 978                 University of Geneva */
 979
 980 #ifdef S_ISLNK
 981         if (!lp_symlinks(SNUM(conn))) {
 982                 struct smb_filename *smb_fname = NULL;
 983                 NTSTATUS status;
 984
 985                 status = create_synthetic_smb_fname(talloc_tos(), fname, NULL,
 986                                                     NULL, &smb_fname);
 987                 if (!NT_STATUS_IS_OK(status)) {
 988                         if (free_resolved_name) {
 989                                 SAFE_FREE(resolved_name);
 990                         }
 991                         return status;
 992                 }
 993
 994                 if ( (SMB_VFS_LSTAT(conn, smb_fname) != -1) &&
 995                                 (S_ISLNK(smb_fname->st.st_ex_mode)) ) {
 996                         if (free_resolved_name) {
 997                                 SAFE_FREE(resolved_name);
 998                         }
 999                         DEBUG(3,("check_reduced_name: denied: file path name "
1000                                  "%s is a symlink\n",resolved_name));
1001                         TALLOC_FREE(smb_fname);
1002                         return NT_STATUS_ACCESS_DENIED;
1003                 }
1004                 TALLOC_FREE(smb_fname);
1005         }
1006 #endif
1007
1008         DEBUG(3,("check_reduced_name: %s reduced to %s\n", fname,
1009                  resolved_name));
1010         if (free_resolved_name) {
1011                 SAFE_FREE(resolved_name);
1012         }
1013         return NT_STATUS_OK;
1014 }
1015
1016 /**
1017  * XXX: This is temporary and there should be no callers of this once
1018  * smb_filename is plumbed through all path based operations.
1019  */
1020 int vfs_stat_smb_fname(struct connection_struct *conn, const char *fname,
1021                        SMB_STRUCT_STAT *psbuf)
1022 {
1023         struct smb_filename *smb_fname = NULL;
1024         NTSTATUS status;
1025         int ret;
1026
1027         status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL,
1028                                                   &smb_fname);
1029         if (!NT_STATUS_IS_OK(status)) {
1030                 errno = map_errno_from_nt_status(status);
1031                 return -1;
1032         }
1033
1034         if (lp_posix_pathnames()) {
1035                 ret = SMB_VFS_LSTAT(conn, smb_fname);
1036         } else {
1037                 ret = SMB_VFS_STAT(conn, smb_fname);
1038         }
1039
1040         if (ret != -1) {
1041                 *psbuf = smb_fname->st;
1042         }
1043
1044         TALLOC_FREE(smb_fname);
1045         return ret;
1046 }
1047
1048 /**
1049  * XXX: This is temporary and there should be no callers of this once
1050  * smb_filename is plumbed through all path based operations.
1051  */
1052 int vfs_lstat_smb_fname(struct connection_struct *conn, const char *fname,
1053                         SMB_STRUCT_STAT *psbuf)
1054 {
1055         struct smb_filename *smb_fname = NULL;
1056         NTSTATUS status;
1057         int ret;
1058
1059         status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL,
1060                                                   &smb_fname);
1061         if (!NT_STATUS_IS_OK(status)) {
1062                 errno = map_errno_from_nt_status(status);
1063                 return -1;
1064         }
1065
1066         ret = SMB_VFS_LSTAT(conn, smb_fname);
1067         if (ret != -1) {
1068                 *psbuf = smb_fname->st;
1069         }
1070
1071         TALLOC_FREE(smb_fname);
1072         return ret;
1073 }
1074
1075 /**
1076  * Ensure LSTAT is called for POSIX paths.
1077  */
1078
1079 NTSTATUS vfs_stat_fsp(files_struct *fsp)
1080 {
1081         int ret;
1082
1083         if(fsp->is_directory || fsp->fh->fd == -1) {
1084                 if (fsp->posix_open) {
1085                         ret = SMB_VFS_LSTAT(fsp->conn, fsp->fsp_name);
1086                 } else {
1087                         ret = SMB_VFS_STAT(fsp->conn, fsp->fsp_name);
1088                 }
1089                 if (ret == -1) {
1090                         return map_nt_error_from_unix(errno);
1091                 }
1092         } else {
1093                 if(SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) != 0) {
1094                         return map_nt_error_from_unix(errno);
1095                 }
1096         }
1097         return NT_STATUS_OK;
1098 }
1099
1100 /*
1101   generate a file_id from a stat structure
1102  */
1103 struct file_id vfs_file_id_from_sbuf(connection_struct *conn, const SMB_STRUCT_STAT *sbuf)
1104 {
1105         return SMB_VFS_FILE_ID_CREATE(conn, sbuf);
1106 }
1107
1108 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
1109                          const char *service, const char *user)
1110 {
1111         VFS_FIND(connect_fn);
1112         return handle->fns->connect_fn(handle, service, user);
1113 }
1114
1115 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle)
1116 {
1117         VFS_FIND(disconnect);
1118         handle->fns->disconnect(handle);
1119 }
1120
1121 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
1122                                 const char *path, bool small_query,
1123                                 uint64_t *bsize, uint64_t *dfree,
1124                                 uint64_t *dsize)
1125 {
1126         VFS_FIND(disk_free);
1127         return handle->fns->disk_free(handle, path, small_query, bsize, dfree,
1128                                       dsize);
1129 }
1130
1131 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
1132                            enum SMB_QUOTA_TYPE qtype, unid_t id,
1133                            SMB_DISK_QUOTA *qt)
1134 {
1135         VFS_FIND(get_quota);
1136         return handle->fns->get_quota(handle, qtype, id, qt);
1137 }
1138
1139 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
1140                            enum SMB_QUOTA_TYPE qtype, unid_t id,
1141                            SMB_DISK_QUOTA *qt)
1142 {
1143         VFS_FIND(set_quota);
1144         return handle->fns->set_quota(handle, qtype, id, qt);
1145 }
1146
1147 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
1148                                       struct files_struct *fsp,
1149                                       SHADOW_COPY_DATA *shadow_copy_data,
1150                                       bool labels)
1151 {
1152         VFS_FIND(get_shadow_copy_data);
1153         return handle->fns->get_shadow_copy_data(handle, fsp, shadow_copy_data,
1154                                                  labels);
1155 }
1156 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
1157                          struct vfs_statvfs_struct *statbuf)
1158 {
1159         VFS_FIND(statvfs);
1160         return handle->fns->statvfs(handle, path, statbuf);
1161 }
1162
1163 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
1164                         enum timestamp_set_resolution *p_ts_res)
1165 {
1166         VFS_FIND(fs_capabilities);
1167         return handle->fns->fs_capabilities(handle, p_ts_res);
1168 }
1169
1170 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
1171                                      const char *fname, const char *mask,
1172                                      uint32 attributes)
1173 {
1174         VFS_FIND(opendir);
1175         return handle->fns->opendir(handle, fname, mask, attributes);
1176 }
1177
1178 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1179                                               SMB_STRUCT_DIR *dirp,
1180                                               SMB_STRUCT_STAT *sbuf)
1181 {
1182         VFS_FIND(readdir);
1183         return handle->fns->readdir(handle, dirp, sbuf);
1184 }
1185
1186 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
1187                           SMB_STRUCT_DIR *dirp, long offset)
1188 {
1189         VFS_FIND(seekdir);
1190         handle->fns->seekdir(handle, dirp, offset);
1191 }
1192
1193 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
1194                           SMB_STRUCT_DIR *dirp)
1195 {
1196         VFS_FIND(telldir);
1197         return handle->fns->telldir(handle, dirp);
1198 }
1199
1200 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1201                              SMB_STRUCT_DIR *dirp)
1202 {
1203         VFS_FIND(rewind_dir);
1204         handle->fns->rewind_dir(handle, dirp);
1205 }
1206
1207 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
1208                        mode_t mode)
1209 {
1210         VFS_FIND(mkdir);
1211         return handle->fns->mkdir(handle, path, mode);
1212 }
1213
1214 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path)
1215 {
1216         VFS_FIND(rmdir);
1217         return handle->fns->rmdir(handle, path);
1218 }
1219
1220 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1221                           SMB_STRUCT_DIR *dir)
1222 {
1223         VFS_FIND(closedir);
1224         return handle->fns->closedir(handle, dir);
1225 }
1226
1227 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
1228                                  SMB_STRUCT_DIR *dirp)
1229 {
1230         VFS_FIND(init_search_op);
1231         handle->fns->init_search_op(handle, dirp);
1232 }
1233
1234 int smb_vfs_call_open(struct vfs_handle_struct *handle,
1235                       struct smb_filename *smb_fname, struct files_struct *fsp,
1236                       int flags, mode_t mode)
1237 {
1238         VFS_FIND(open);
1239         return handle->fns->open(handle, smb_fname, fsp, flags, mode);
1240 }
1241
1242 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1243                                   struct smb_request *req,
1244                                   uint16_t root_dir_fid,
1245                                   struct smb_filename *smb_fname,
1246                                   uint32_t access_mask,
1247                                   uint32_t share_access,
1248                                   uint32_t create_disposition,
1249                                   uint32_t create_options,
1250                                   uint32_t file_attributes,
1251                                   uint32_t oplock_request,
1252                                   uint64_t allocation_size,
1253                                   uint32_t private_flags,
1254                                   struct security_descriptor *sd,
1255                                   struct ea_list *ea_list,
1256                                   files_struct **result,
1257                                   int *pinfo)
1258 {
1259         VFS_FIND(create_file);
1260         return handle->fns->create_file(
1261                 handle, req, root_dir_fid, smb_fname, access_mask,
1262                 share_access, create_disposition, create_options,
1263                 file_attributes, oplock_request, allocation_size,
1264                 private_flags, sd, ea_list,
1265                 result, pinfo);
1266 }
1267
1268 int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
1269                           struct files_struct *fsp)
1270 {
1271         VFS_FIND(close_fn);
1272         return handle->fns->close_fn(handle, fsp);
1273 }
1274
1275 ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
1276                               struct files_struct *fsp, void *data, size_t n)
1277 {
1278         VFS_FIND(vfs_read);
1279         return handle->fns->vfs_read(handle, fsp, data, n);
1280 }
1281
1282 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1283                            struct files_struct *fsp, void *data, size_t n,
1284                            SMB_OFF_T offset)
1285 {
1286         VFS_FIND(pread);
1287         return handle->fns->pread(handle, fsp, data, n, offset);
1288 }
1289
1290 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1291                            struct files_struct *fsp, const void *data,
1292                            size_t n)
1293 {
1294         VFS_FIND(write);
1295         return handle->fns->write(handle, fsp, data, n);
1296 }
1297
1298 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1299                             struct files_struct *fsp, const void *data,
1300                             size_t n, SMB_OFF_T offset)
1301 {
1302         VFS_FIND(pwrite);
1303         return handle->fns->pwrite(handle, fsp, data, n, offset);
1304 }
1305
1306 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1307                              struct files_struct *fsp, SMB_OFF_T offset,
1308                              int whence)
1309 {
1310         VFS_FIND(lseek);
1311         return handle->fns->lseek(handle, fsp, offset, whence);
1312 }
1313
1314 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1315                               files_struct *fromfsp, const DATA_BLOB *header,
1316                               SMB_OFF_T offset, size_t count)
1317 {
1318         VFS_FIND(sendfile);
1319         return handle->fns->sendfile(handle, tofd, fromfsp, header, offset,
1320                                      count);
1321 }
1322
1323 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1324                               files_struct *tofsp, SMB_OFF_T offset,
1325                               size_t count)
1326 {
1327         VFS_FIND(recvfile);
1328         return handle->fns->recvfile(handle, fromfd, tofsp, offset, count);
1329 }
1330
1331 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1332                         const struct smb_filename *smb_fname_src,
1333                         const struct smb_filename *smb_fname_dst)
1334 {
1335         VFS_FIND(rename);
1336         return handle->fns->rename(handle, smb_fname_src, smb_fname_dst);
1337 }
1338
1339 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1340                        struct files_struct *fsp)
1341 {
1342         VFS_FIND(fsync);
1343         return handle->fns->fsync(handle, fsp);
1344 }
1345
1346 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1347                       struct smb_filename *smb_fname)
1348 {
1349         VFS_FIND(stat);
1350         return handle->fns->stat(handle, smb_fname);
1351 }
1352
1353 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1354                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1355 {
1356         VFS_FIND(fstat);
1357         return handle->fns->fstat(handle, fsp, sbuf);
1358 }
1359
1360 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1361                        struct smb_filename *smb_filename)
1362 {
1363         VFS_FIND(lstat);
1364         return handle->fns->lstat(handle, smb_filename);
1365 }
1366
1367 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1368                                      struct files_struct *fsp,
1369                                      const SMB_STRUCT_STAT *sbuf)
1370 {
1371         VFS_FIND(get_alloc_size);
1372         return handle->fns->get_alloc_size(handle, fsp, sbuf);
1373 }
1374
1375 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1376                         const struct smb_filename *smb_fname)
1377 {
1378         VFS_FIND(unlink);
1379         return handle->fns->unlink(handle, smb_fname);
1380 }
1381
1382 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1383                        mode_t mode)
1384 {
1385         VFS_FIND(chmod);
1386         return handle->fns->chmod(handle, path, mode);
1387 }
1388
1389 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1390                         struct files_struct *fsp, mode_t mode)
1391 {
1392         VFS_FIND(fchmod);
1393         return handle->fns->fchmod(handle, fsp, mode);
1394 }
1395
1396 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1397                        uid_t uid, gid_t gid)
1398 {
1399         VFS_FIND(chown);
1400         return handle->fns->chown(handle, path, uid, gid);
1401 }
1402
1403 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1404                         struct files_struct *fsp, uid_t uid, gid_t gid)
1405 {
1406         VFS_FIND(fchown);
1407         return handle->fns->fchown(handle, fsp, uid, gid);
1408 }
1409
1410 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1411                         uid_t uid, gid_t gid)
1412 {
1413         VFS_FIND(lchown);
1414         return handle->fns->lchown(handle, path, uid, gid);
1415 }
1416
1417 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path)
1418 {
1419         VFS_FIND(chdir);
1420         return handle->fns->chdir(handle, path);
1421 }
1422
1423 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf)
1424 {
1425         VFS_FIND(getwd);
1426         return handle->fns->getwd(handle, buf);
1427 }
1428
1429 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1430                         const struct smb_filename *smb_fname,
1431                         struct smb_file_time *ft)
1432 {
1433         VFS_FIND(ntimes);
1434         return handle->fns->ntimes(handle, smb_fname, ft);
1435 }
1436
1437 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1438                            struct files_struct *fsp, SMB_OFF_T offset)
1439 {
1440         VFS_FIND(ftruncate);
1441         return handle->fns->ftruncate(handle, fsp, offset);
1442 }
1443
1444 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1445                               struct files_struct *fsp, uint32 share_mode,
1446                               uint32_t access_mask)
1447 {
1448         VFS_FIND(kernel_flock);
1449         return handle->fns->kernel_flock(handle, fsp, share_mode,
1450                                          access_mask);
1451 }
1452
1453 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1454                                 struct files_struct *fsp, int leasetype)
1455 {
1456         VFS_FIND(linux_setlease);
1457         return handle->fns->linux_setlease(handle, fsp, leasetype);
1458 }
1459
1460 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1461                          const char *newpath)
1462 {
1463         VFS_FIND(symlink);
1464         return handle->fns->symlink(handle, oldpath, newpath);
1465 }
1466
1467 int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
1468                               const char *path, char *buf, size_t bufsiz)
1469 {
1470         VFS_FIND(vfs_readlink);
1471         return handle->fns->vfs_readlink(handle, path, buf, bufsiz);
1472 }
1473
1474 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1475                       const char *newpath)
1476 {
1477         VFS_FIND(link);
1478         return handle->fns->link(handle, oldpath, newpath);
1479 }
1480
1481 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1482                        mode_t mode, SMB_DEV_T dev)
1483 {
1484         VFS_FIND(mknod);
1485         return handle->fns->mknod(handle, path, mode, dev);
1486 }
1487
1488 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle,
1489                             const char *path, char *resolved_path)
1490 {
1491         VFS_FIND(realpath);
1492         return handle->fns->realpath(handle, path, resolved_path);
1493 }
1494
1495 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
1496                                    struct sys_notify_context *ctx,
1497                                    struct notify_entry *e,
1498                                    void (*callback)(struct sys_notify_context *ctx,
1499                                                     void *private_data,
1500                                                     struct notify_event *ev),
1501                                    void *private_data, void *handle_p)
1502 {
1503         VFS_FIND(notify_watch);
1504         return handle->fns->notify_watch(handle, ctx, e, callback,
1505                                          private_data, handle_p);
1506 }
1507
1508 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1509                          unsigned int flags)
1510 {
1511         VFS_FIND(chflags);
1512         return handle->fns->chflags(handle, path, flags);
1513 }
1514
1515 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1516                                            const SMB_STRUCT_STAT *sbuf)
1517 {
1518         VFS_FIND(file_id_create);
1519         return handle->fns->file_id_create(handle, sbuf);
1520 }
1521
1522 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1523                                  struct files_struct *fsp,
1524                                  const char *fname,
1525                                  TALLOC_CTX *mem_ctx,
1526                                  unsigned int *num_streams,
1527                                  struct stream_struct **streams)
1528 {
1529         VFS_FIND(streaminfo);
1530         return handle->fns->streaminfo(handle, fsp, fname, mem_ctx,
1531                                        num_streams, streams);
1532 }
1533
1534 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1535                                    const char *path, const char *name,
1536                                    TALLOC_CTX *mem_ctx, char **found_name)
1537 {
1538         VFS_FIND(get_real_filename);
1539         return handle->fns->get_real_filename(handle, path, name, mem_ctx,
1540                                               found_name);
1541 }
1542
1543 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1544                                      const char *filename)
1545 {
1546         VFS_FIND(connectpath);
1547         return handle->fns->connectpath(handle, filename);
1548 }
1549
1550 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1551                               struct files_struct *fsp,
1552                               struct lock_struct *plock)
1553 {
1554         VFS_FIND(strict_lock);
1555         return handle->fns->strict_lock(handle, fsp, plock);
1556 }
1557
1558 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1559                                 struct files_struct *fsp,
1560                                 struct lock_struct *plock)
1561 {
1562         VFS_FIND(strict_unlock);
1563         handle->fns->strict_unlock(handle, fsp, plock);
1564 }
1565
1566 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1567                                      const char *name,
1568                                      enum vfs_translate_direction direction,
1569                                      TALLOC_CTX *mem_ctx,
1570                                      char **mapped_name)
1571 {
1572         VFS_FIND(translate_name);
1573         return handle->fns->translate_name(handle, name, direction, mem_ctx,
1574                                            mapped_name);
1575 }
1576
1577 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1578                                   struct files_struct *fsp,
1579                                   uint32 security_info,
1580                                   struct security_descriptor **ppdesc)
1581 {
1582         VFS_FIND(fget_nt_acl);
1583         return handle->fns->fget_nt_acl(handle, fsp, security_info,
1584                                         ppdesc);
1585 }
1586
1587 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1588                                  const char *name,
1589                                  uint32 security_info,
1590                                  struct security_descriptor **ppdesc)
1591 {
1592         VFS_FIND(get_nt_acl);
1593         return handle->fns->get_nt_acl(handle, name, security_info, ppdesc);
1594 }
1595
1596 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1597                                   struct files_struct *fsp,
1598                                   uint32 security_info_sent,
1599                                   const struct security_descriptor *psd)
1600 {
1601         VFS_FIND(fset_nt_acl);
1602         return handle->fns->fset_nt_acl(handle, fsp, security_info_sent, psd);
1603 }
1604
1605 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1606                            mode_t mode)
1607 {
1608         VFS_FIND(chmod_acl);
1609         return handle->fns->chmod_acl(handle, name, mode);
1610 }
1611
1612 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1613                             struct files_struct *fsp, mode_t mode)
1614 {
1615         VFS_FIND(fchmod_acl);
1616         return handle->fns->fchmod_acl(handle, fsp, mode);
1617 }
1618
1619 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
1620                                    SMB_ACL_T theacl, int entry_id,
1621                                    SMB_ACL_ENTRY_T *entry_p)
1622 {
1623         VFS_FIND(sys_acl_get_entry);
1624         return handle->fns->sys_acl_get_entry(handle, theacl, entry_id,
1625                                               entry_p);
1626 }
1627
1628 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
1629                                       SMB_ACL_ENTRY_T entry_d,
1630                                       SMB_ACL_TAG_T *tag_type_p)
1631 {
1632         VFS_FIND(sys_acl_get_tag_type);
1633         return handle->fns->sys_acl_get_tag_type(handle, entry_d, tag_type_p);
1634 }
1635
1636 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
1637                                      SMB_ACL_ENTRY_T entry_d,
1638                                      SMB_ACL_PERMSET_T *permset_p)
1639 {
1640         VFS_FIND(sys_acl_get_permset);
1641         return handle->fns->sys_acl_get_permset(handle, entry_d, permset_p);
1642 }
1643
1644 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
1645                                           SMB_ACL_ENTRY_T entry_d)
1646 {
1647         VFS_FIND(sys_acl_get_qualifier);
1648         return handle->fns->sys_acl_get_qualifier(handle, entry_d);
1649 }
1650
1651 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1652                                         const char *path_p,
1653                                         SMB_ACL_TYPE_T type)
1654 {
1655         VFS_FIND(sys_acl_get_file);
1656         return handle->fns->sys_acl_get_file(handle, path_p, type);
1657 }
1658
1659 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1660                                       struct files_struct *fsp)
1661 {
1662         VFS_FIND(sys_acl_get_fd);
1663         return handle->fns->sys_acl_get_fd(handle, fsp);
1664 }
1665
1666 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
1667                                      SMB_ACL_PERMSET_T permset)
1668 {
1669         VFS_FIND(sys_acl_clear_perms);
1670         return handle->fns->sys_acl_clear_perms(handle, permset);
1671 }
1672
1673 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
1674                                   SMB_ACL_PERMSET_T permset,
1675                                   SMB_ACL_PERM_T perm)
1676 {
1677         VFS_FIND(sys_acl_add_perm);
1678         return handle->fns->sys_acl_add_perm(handle, permset, perm);
1679 }
1680
1681 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
1682                                     SMB_ACL_T theacl, ssize_t *plen)
1683 {
1684         VFS_FIND(sys_acl_to_text);
1685         return handle->fns->sys_acl_to_text(handle, theacl, plen);
1686 }
1687
1688 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
1689                                     int count)
1690 {
1691         VFS_FIND(sys_acl_init);
1692         return handle->fns->sys_acl_init(handle, count);
1693 }
1694
1695 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
1696                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
1697 {
1698         VFS_FIND(sys_acl_create_entry);
1699         return handle->fns->sys_acl_create_entry(handle, pacl, pentry);
1700 }
1701
1702 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
1703                                       SMB_ACL_ENTRY_T entry,
1704                                       SMB_ACL_TAG_T tagtype)
1705 {
1706         VFS_FIND(sys_acl_set_tag_type);
1707         return handle->fns->sys_acl_set_tag_type(handle, entry, tagtype);
1708 }
1709
1710 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
1711                                        SMB_ACL_ENTRY_T entry, void *qual)
1712 {
1713         VFS_FIND(sys_acl_set_qualifier);
1714         return handle->fns->sys_acl_set_qualifier(handle, entry, qual);
1715 }
1716
1717 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
1718                                      SMB_ACL_ENTRY_T entry,
1719                                      SMB_ACL_PERMSET_T permset)
1720 {
1721         VFS_FIND(sys_acl_set_permset);
1722         return handle->fns->sys_acl_set_permset(handle, entry, permset);
1723 }
1724
1725 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
1726                                SMB_ACL_T theacl)
1727 {
1728         VFS_FIND(sys_acl_valid);
1729         return handle->fns->sys_acl_valid(handle, theacl);
1730 }
1731
1732 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1733                                   const char *name, SMB_ACL_TYPE_T acltype,
1734                                   SMB_ACL_T theacl)
1735 {
1736         VFS_FIND(sys_acl_set_file);
1737         return handle->fns->sys_acl_set_file(handle, name, acltype, theacl);
1738 }
1739
1740 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1741                                 struct files_struct *fsp, SMB_ACL_T theacl)
1742 {
1743         VFS_FIND(sys_acl_set_fd);
1744         return handle->fns->sys_acl_set_fd(handle, fsp, theacl);
1745 }
1746
1747 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1748                                          const char *path)
1749 {
1750         VFS_FIND(sys_acl_delete_def_file);
1751         return handle->fns->sys_acl_delete_def_file(handle, path);
1752 }
1753
1754 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
1755                                   SMB_ACL_PERMSET_T permset,
1756                                   SMB_ACL_PERM_T perm)
1757 {
1758         VFS_FIND(sys_acl_get_perm);
1759         return handle->fns->sys_acl_get_perm(handle, permset, perm);
1760 }
1761
1762 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
1763                                    char *text)
1764 {
1765         VFS_FIND(sys_acl_free_text);
1766         return handle->fns->sys_acl_free_text(handle, text);
1767 }
1768
1769 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
1770                                   SMB_ACL_T posix_acl)
1771 {
1772         VFS_FIND(sys_acl_free_acl);
1773         return handle->fns->sys_acl_free_acl(handle, posix_acl);
1774 }
1775
1776 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
1777                                         void *qualifier, SMB_ACL_TAG_T tagtype)
1778 {
1779         VFS_FIND(sys_acl_free_qualifier);
1780         return handle->fns->sys_acl_free_qualifier(handle, qualifier, tagtype);
1781 }
1782
1783 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1784                               const char *path, const char *name, void *value,
1785                               size_t size)
1786 {
1787         VFS_FIND(getxattr);
1788         return handle->fns->getxattr(handle, path, name, value, size);
1789 }
1790
1791 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
1792                                const char *path, const char *name, void *value,
1793                                size_t size)
1794 {
1795         VFS_FIND(lgetxattr);
1796         return handle->fns->lgetxattr(handle, path, name, value, size);
1797 }
1798
1799 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1800                                struct files_struct *fsp, const char *name,
1801                                void *value, size_t size)
1802 {
1803         VFS_FIND(fgetxattr);
1804         return handle->fns->fgetxattr(handle, fsp, name, value, size);
1805 }
1806
1807 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1808                                const char *path, char *list, size_t size)
1809 {
1810         VFS_FIND(listxattr);
1811         return handle->fns->listxattr(handle, path, list, size);
1812 }
1813
1814 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1815                                 const char *path, char *list, size_t size)
1816 {
1817         VFS_FIND(llistxattr);
1818         return handle->fns->llistxattr(handle, path, list, size);
1819 }
1820
1821 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1822                                 struct files_struct *fsp, char *list,
1823                                 size_t size)
1824 {
1825         VFS_FIND(flistxattr);
1826         return handle->fns->flistxattr(handle, fsp, list, size);
1827 }
1828
1829 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1830                              const char *path, const char *name)
1831 {
1832         VFS_FIND(removexattr);
1833         return handle->fns->removexattr(handle, path, name);
1834 }
1835
1836 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
1837                               const char *path, const char *name)
1838 {
1839         VFS_FIND(lremovexattr);
1840         return handle->fns->lremovexattr(handle, path, name);
1841 }
1842
1843 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1844                               struct files_struct *fsp, const char *name)
1845 {
1846         VFS_FIND(fremovexattr);
1847         return handle->fns->fremovexattr(handle, fsp, name);
1848 }
1849
1850 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
1851                           const char *name, const void *value, size_t size,
1852                           int flags)
1853 {
1854         VFS_FIND(setxattr);
1855         return handle->fns->setxattr(handle, path, name, value, size, flags);
1856 }
1857
1858 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1859                            const char *name, const void *value, size_t size,
1860                            int flags)
1861 {
1862         VFS_FIND(lsetxattr);
1863         return handle->fns->lsetxattr(handle, path, name, value, size, flags);
1864 }
1865
1866 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1867                            struct files_struct *fsp, const char *name,
1868                            const void *value, size_t size, int flags)
1869 {
1870         VFS_FIND(fsetxattr);
1871         return handle->fns->fsetxattr(handle, fsp, name, value, size, flags);
1872 }
1873
1874 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
1875                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1876 {
1877         VFS_FIND(aio_read);
1878         return handle->fns->aio_read(handle, fsp, aiocb);
1879 }
1880
1881 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
1882                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1883 {
1884         VFS_FIND(aio_write);
1885         return handle->fns->aio_write(handle, fsp, aiocb);
1886 }
1887
1888 ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
1889                                    struct files_struct *fsp,
1890                                    SMB_STRUCT_AIOCB *aiocb)
1891 {
1892         VFS_FIND(aio_return_fn);
1893         return handle->fns->aio_return_fn(handle, fsp, aiocb);
1894 }
1895
1896 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
1897                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1898 {
1899         VFS_FIND(aio_cancel);
1900         return handle->fns->aio_cancel(handle, fsp, aiocb);
1901 }
1902
1903 int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
1904                               struct files_struct *fsp,
1905                               SMB_STRUCT_AIOCB *aiocb)
1906 {
1907         VFS_FIND(aio_error_fn);
1908         return handle->fns->aio_error_fn(handle, fsp, aiocb);
1909 }
1910
1911 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
1912                            struct files_struct *fsp, int op,
1913                            SMB_STRUCT_AIOCB *aiocb)
1914 {
1915         VFS_FIND(aio_fsync);
1916         return handle->fns->aio_fsync(handle, fsp, op, aiocb);
1917 }
1918
1919 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
1920                              struct files_struct *fsp,
1921                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
1922                              const struct timespec *timeout)
1923 {
1924         VFS_FIND(aio_suspend);
1925         return handle->fns->aio_suspend(handle, fsp, aiocb, n, timeout);
1926 }
1927
1928 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1929                             struct files_struct *fsp)
1930 {
1931         VFS_FIND(aio_force);
1932         return handle->fns->aio_force(handle, fsp);
1933 }
1934
1935 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1936                              const char *path, SMB_STRUCT_STAT *sbuf)
1937 {
1938         VFS_FIND(is_offline);
1939         return handle->fns->is_offline(handle, path, sbuf);
1940 }
1941
1942 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1943                              const char *path)
1944 {
1945         VFS_FIND(set_offline);
1946         return handle->fns->set_offline(handle, path);
1947 }