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 #include "memcache.h"
  29
  30 #undef DBGC_CLASS
  31 #define DBGC_CLASS DBGC_VFS
  32
  33 static_decl_vfs;
  34
  35 struct vfs_init_function_entry {
  36         char *name;
  37         struct vfs_init_function_entry *prev, *next;
  38         const struct vfs_fn_pointers *fns;
  39 };
  40
  41 /****************************************************************************
  42     maintain the list of available backends
  43 ****************************************************************************/
  44
  45 static struct vfs_init_function_entry *vfs_find_backend_entry(const char *name)
  46 {
  47         struct vfs_init_function_entry *entry = backends;
  48
  49         DEBUG(10, ("vfs_find_backend_entry called for %s\n", name));
  50
  51         while(entry) {
  52                 if (strcmp(entry->name, name)==0) return entry;
  53                 entry = entry->next;
  54         }
  55
  56         return NULL;
  57 }
  58
  59 NTSTATUS smb_register_vfs(int version, const char *name,
  60                           const struct vfs_fn_pointers *fns)
  61 {
  62         struct vfs_init_function_entry *entry = backends;
  63
  64         if ((version != SMB_VFS_INTERFACE_VERSION)) {
  65                 DEBUG(0, ("Failed to register vfs module.\n"
  66                           "The module was compiled against SMB_VFS_INTERFACE_VERSION %d,\n"
  67                           "current SMB_VFS_INTERFACE_VERSION is %d.\n"
  68                           "Please recompile against the current Samba Version!\n",
  69                           version, SMB_VFS_INTERFACE_VERSION));
  70                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
  71         }
  72
  73         if (!name || !name[0]) {
  74                 DEBUG(0,("smb_register_vfs() called with NULL pointer or empty name!\n"));
  75                 return NT_STATUS_INVALID_PARAMETER;
  76         }
  77
  78         if (vfs_find_backend_entry(name)) {
  79                 DEBUG(0,("VFS module %s already loaded!\n", name));
  80                 return NT_STATUS_OBJECT_NAME_COLLISION;
  81         }
  82
  83         entry = SMB_XMALLOC_P(struct vfs_init_function_entry);
  84         entry->name = smb_xstrdup(name);
  85         entry->fns = fns;
  86
  87         DLIST_ADD(backends, entry);
  88         DEBUG(5, ("Successfully added vfs backend '%s'\n", name));
  89         return NT_STATUS_OK;
  90 }
  91
  92 /****************************************************************************
  93   initialise default vfs hooks
  94 ****************************************************************************/
  95
  96 static void vfs_init_default(connection_struct *conn)
  97 {
  98         DEBUG(3, ("Initialising default vfs hooks\n"));
  99         vfs_init_custom(conn, DEFAULT_VFS_MODULE_NAME);
 100 }
 101
 102 /****************************************************************************
 103   initialise custom vfs hooks
 104  ****************************************************************************/
 105
 106 bool vfs_init_custom(connection_struct *conn, const char *vfs_object)
 107 {
 108         char *module_path = NULL;
 109         char *module_name = NULL;
 110         char *module_param = NULL, *p;
 111         vfs_handle_struct *handle;
 112         const struct vfs_init_function_entry *entry;
 113
 114         if (!conn||!vfs_object||!vfs_object[0]) {
 115                 DEBUG(0, ("vfs_init_custom() called with NULL pointer or "
 116                           "empty vfs_object!\n"));
 117                 return False;
 118         }
 119
 120         if(!backends) {
 121                 static_init_vfs;
 122         }
 123
 124         DEBUG(3, ("Initialising custom vfs hooks from [%s]\n", vfs_object));
 125
 126         module_path = smb_xstrdup(vfs_object);
 127
 128         p = strchr_m(module_path, ':');
 129
 130         if (p) {
 131                 *p = 0;
 132                 module_param = p+1;
 133                 trim_char(module_param, ' ', ' ');
 134         }
 135
 136         trim_char(module_path, ' ', ' ');
 137
 138         module_name = smb_xstrdup(module_path);
 139
 140         if ((module_name[0] == '/') &&
 141             (strcmp(module_path, DEFAULT_VFS_MODULE_NAME) != 0)) {
 142
 143                 /*
 144                  * Extract the module name from the path. Just use the base
 145                  * name of the last path component.
 146                  */
 147
 148                 SAFE_FREE(module_name);
 149                 module_name = smb_xstrdup(strrchr_m(module_path, '/')+1);
 150
 151                 p = strchr_m(module_name, '.');
 152
 153                 if (p != NULL) {
 154                         *p = '\0';
 155                 }
 156         }
 157
 158         /* First, try to load the module with the new module system */
 159         entry = vfs_find_backend_entry(module_name);
 160         if (!entry) {
 161                 NTSTATUS status;
 162
 163                 DEBUG(5, ("vfs module [%s] not loaded - trying to load...\n",
 164                           vfs_object));
 165
 166                 status = smb_probe_module("vfs", module_path);
 167                 if (!NT_STATUS_IS_OK(status)) {
 168                         DEBUG(0, ("error probing vfs module '%s': %s\n",
 169                                   module_path, nt_errstr(status)));
 170                         goto fail;
 171                 }
 172
 173                 entry = vfs_find_backend_entry(module_name);
 174                 if (!entry) {
 175                         DEBUG(0,("Can't find a vfs module [%s]\n",vfs_object));
 176                         goto fail;
 177                 }
 178         }
 179
 180         DEBUGADD(5,("Successfully loaded vfs module [%s] with the new modules system\n", vfs_object));
 181
 182         handle = TALLOC_ZERO_P(conn, vfs_handle_struct);
 183         if (!handle) {
 184                 DEBUG(0,("TALLOC_ZERO() failed!\n"));
 185                 goto fail;
 186         }
 187         handle->conn = conn;
 188         handle->fns = entry->fns;
 189         if (module_param) {
 190                 handle->param = talloc_strdup(conn, module_param);
 191         }
 192         DLIST_ADD(conn->vfs_handles, handle);
 193
 194         SAFE_FREE(module_path);
 195         SAFE_FREE(module_name);
 196         return True;
 197
 198  fail:
 199         SAFE_FREE(module_path);
 200         SAFE_FREE(module_name);
 201         return False;
 202 }
 203
 204 /*****************************************************************
 205  Allow VFS modules to extend files_struct with VFS-specific state.
 206  This will be ok for small numbers of extensions, but might need to
 207  be refactored if it becomes more widely used.
 208 ******************************************************************/
 209
 210 #define EXT_DATA_AREA(e) ((uint8 *)(e) + sizeof(struct vfs_fsp_data))
 211
 212 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
 213                                    files_struct *fsp, size_t ext_size,
 214                                    void (*destroy_fn)(void *p_data))
 215 {
 216         struct vfs_fsp_data *ext;
 217         void * ext_data;
 218
 219         /* Prevent VFS modules adding multiple extensions. */
 220         if ((ext_data = vfs_fetch_fsp_extension(handle, fsp))) {
 221                 return ext_data;
 222         }
 223
 224         ext = (struct vfs_fsp_data *)TALLOC_ZERO(
 225                 handle->conn, sizeof(struct vfs_fsp_data) + ext_size);
 226         if (ext == NULL) {
 227                 return NULL;
 228         }
 229
 230         ext->owner = handle;
 231         ext->next = fsp->vfs_extension;
 232         ext->destroy = destroy_fn;
 233         fsp->vfs_extension = ext;
 234         return EXT_DATA_AREA(ext);
 235 }
 236
 237 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
 238 {
 239         struct vfs_fsp_data *curr;
 240         struct vfs_fsp_data *prev;
 241
 242         for (curr = fsp->vfs_extension, prev = NULL;
 243              curr;
 244              prev = curr, curr = curr->next) {
 245                 if (curr->owner == handle) {
 246                     if (prev) {
 247                             prev->next = curr->next;
 248                     } else {
 249                             fsp->vfs_extension = curr->next;
 250                     }
 251                     if (curr->destroy) {
 252                             curr->destroy(EXT_DATA_AREA(curr));
 253                     }
 254                     TALLOC_FREE(curr);
 255                     return;
 256                 }
 257         }
 258 }
 259
 260 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
 261 {
 262         struct vfs_fsp_data *head;
 263
 264         for (head = fsp->vfs_extension; head; head = head->next) {
 265                 if (head->owner == handle) {
 266                         return head;
 267                 }
 268         }
 269
 270         return NULL;
 271 }
 272
 273 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
 274 {
 275         struct vfs_fsp_data *head;
 276
 277         head = (struct vfs_fsp_data *)vfs_memctx_fsp_extension(handle, fsp);
 278         if (head != NULL) {
 279                 return EXT_DATA_AREA(head);
 280         }
 281
 282         return NULL;
 283 }
 284
 285 #undef EXT_DATA_AREA
 286
 287 /*****************************************************************
 288  Generic VFS init.
 289 ******************************************************************/
 290
 291 bool smbd_vfs_init(connection_struct *conn)
 292 {
 293         const char **vfs_objects;
 294         unsigned int i = 0;
 295         int j = 0;
 296
 297         /* Normal share - initialise with disk access functions */
 298         vfs_init_default(conn);
 299         vfs_objects = lp_vfs_objects(SNUM(conn));
 300
 301         /* Override VFS functions if 'vfs object' was not specified*/
 302         if (!vfs_objects || !vfs_objects[0])
 303                 return True;
 304
 305         for (i=0; vfs_objects[i] ;) {
 306                 i++;
 307         }
 308
 309         for (j=i-1; j >= 0; j--) {
 310                 if (!vfs_init_custom(conn, vfs_objects[j])) {
 311                         DEBUG(0, ("smbd_vfs_init: vfs_init_custom failed for %s\n", vfs_objects[j]));
 312                         return False;
 313                 }
 314         }
 315         return True;
 316 }
 317
 318 /*******************************************************************
 319  Check if a file exists in the vfs.
 320 ********************************************************************/
 321
 322 NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname)
 323 {
 324         /* Only return OK if stat was successful and S_ISREG */
 325         if ((SMB_VFS_STAT(conn, smb_fname) != -1) &&
 326             S_ISREG(smb_fname->st.st_ex_mode)) {
 327                 return NT_STATUS_OK;
 328         }
 329
 330         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 331 }
 332
 333 /****************************************************************************
 334  Read data from fsp on the vfs. (note: EINTR re-read differs from vfs_write_data)
 335 ****************************************************************************/
 336
 337 ssize_t vfs_read_data(files_struct *fsp, char *buf, size_t byte_count)
 338 {
 339         size_t total=0;
 340
 341         while (total < byte_count)
 342         {
 343                 ssize_t ret = SMB_VFS_READ(fsp, buf + total,
 344                                            byte_count - total);
 345
 346                 if (ret == 0) return total;
 347                 if (ret == -1) {
 348                         if (errno == EINTR)
 349                                 continue;
 350                         else
 351                                 return -1;
 352                 }
 353                 total += ret;
 354         }
 355         return (ssize_t)total;
 356 }
 357
 358 ssize_t vfs_pread_data(files_struct *fsp, char *buf,
 359                 size_t byte_count, SMB_OFF_T offset)
 360 {
 361         size_t total=0;
 362
 363         while (total < byte_count)
 364         {
 365                 ssize_t ret = SMB_VFS_PREAD(fsp, buf + total,
 366                                         byte_count - total, offset + total);
 367
 368                 if (ret == 0) return total;
 369                 if (ret == -1) {
 370                         if (errno == EINTR)
 371                                 continue;
 372                         else
 373                                 return -1;
 374                 }
 375                 total += ret;
 376         }
 377         return (ssize_t)total;
 378 }
 379
 380 /****************************************************************************
 381  Write data to a fd on the vfs.
 382 ****************************************************************************/
 383
 384 ssize_t vfs_write_data(struct smb_request *req,
 385                         files_struct *fsp,
 386                         const char *buffer,
 387                         size_t N)
 388 {
 389         size_t total=0;
 390         ssize_t ret;
 391
 392         if (req && req->unread_bytes) {
 393                 SMB_ASSERT(req->unread_bytes == N);
 394                 /* VFS_RECVFILE must drain the socket
 395                  * before returning. */
 396                 req->unread_bytes = 0;
 397                 return SMB_VFS_RECVFILE(req->sconn->sock,
 398                                         fsp,
 399                                         (SMB_OFF_T)-1,
 400                                         N);
 401         }
 402
 403         while (total < N) {
 404                 ret = SMB_VFS_WRITE(fsp, buffer + total, N - total);
 405
 406                 if (ret == -1)
 407                         return -1;
 408                 if (ret == 0)
 409                         return total;
 410
 411                 total += ret;
 412         }
 413         return (ssize_t)total;
 414 }
 415
 416 ssize_t vfs_pwrite_data(struct smb_request *req,
 417                         files_struct *fsp,
 418                         const char *buffer,
 419                         size_t N,
 420                         SMB_OFF_T offset)
 421 {
 422         size_t total=0;
 423         ssize_t ret;
 424
 425         if (req && req->unread_bytes) {
 426                 SMB_ASSERT(req->unread_bytes == N);
 427                 /* VFS_RECVFILE must drain the socket
 428                  * before returning. */
 429                 req->unread_bytes = 0;
 430                 return SMB_VFS_RECVFILE(req->sconn->sock,
 431                                         fsp,
 432                                         offset,
 433                                         N);
 434         }
 435
 436         while (total < N) {
 437                 ret = SMB_VFS_PWRITE(fsp, buffer + total, N - total,
 438                                      offset + total);
 439
 440                 if (ret == -1)
 441                         return -1;
 442                 if (ret == 0)
 443                         return total;
 444
 445                 total += ret;
 446         }
 447         return (ssize_t)total;
 448 }
 449 /****************************************************************************
 450  An allocate file space call using the vfs interface.
 451  Allocates space for a file from a filedescriptor.
 452  Returns 0 on success, -1 on failure.
 453 ****************************************************************************/
 454
 455 int vfs_allocate_file_space(files_struct *fsp, uint64_t len)
 456 {
 457         int ret;
 458         SMB_STRUCT_STAT st;
 459         connection_struct *conn = fsp->conn;
 460         uint64_t space_avail;
 461         uint64_t bsize,dfree,dsize;
 462
 463         /*
 464          * Actually try and commit the space on disk....
 465          */
 466
 467         DEBUG(10,("vfs_allocate_file_space: file %s, len %.0f\n",
 468                   fsp_str_dbg(fsp), (double)len));
 469
 470         if (((SMB_OFF_T)len) < 0) {
 471                 DEBUG(0,("vfs_allocate_file_space: %s negative len "
 472                          "requested.\n", fsp_str_dbg(fsp)));
 473                 errno = EINVAL;
 474                 return -1;
 475         }
 476
 477         ret = SMB_VFS_FSTAT(fsp, &st);
 478         if (ret == -1)
 479                 return ret;
 480
 481         if (len == (uint64_t)st.st_ex_size)
 482                 return 0;
 483
 484         if (len < (uint64_t)st.st_ex_size) {
 485                 /* Shrink - use ftruncate. */
 486
 487                 DEBUG(10,("vfs_allocate_file_space: file %s, shrink. Current "
 488                           "size %.0f\n", fsp_str_dbg(fsp),
 489                           (double)st.st_ex_size));
 490
 491                 contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
 492
 493                 flush_write_cache(fsp, SIZECHANGE_FLUSH);
 494                 if ((ret = SMB_VFS_FTRUNCATE(fsp, (SMB_OFF_T)len)) != -1) {
 495                         set_filelen_write_cache(fsp, len);
 496                 }
 497
 498                 contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
 499
 500                 return ret;
 501         }
 502
 503         /* Grow - we need to test if we have enough space. */
 504
 505         contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_GROW);
 506         contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_GROW);
 507
 508         if (!lp_strict_allocate(SNUM(fsp->conn)))
 509                 return 0;
 510
 511         len -= st.st_ex_size;
 512         len /= 1024; /* Len is now number of 1k blocks needed. */
 513         space_avail = get_dfree_info(conn, fsp->fsp_name->base_name, false,
 514                                      &bsize, &dfree, &dsize);
 515         if (space_avail == (uint64_t)-1) {
 516                 return -1;
 517         }
 518
 519         DEBUG(10,("vfs_allocate_file_space: file %s, grow. Current size %.0f, "
 520                   "needed blocks = %.0f, space avail = %.0f\n",
 521                   fsp_str_dbg(fsp), (double)st.st_ex_size, (double)len,
 522                   (double)space_avail));
 523
 524         if (len > space_avail) {
 525                 errno = ENOSPC;
 526                 return -1;
 527         }
 528
 529         return 0;
 530 }
 531
 532 /****************************************************************************
 533  A vfs set_filelen call.
 534  set the length of a file from a filedescriptor.
 535  Returns 0 on success, -1 on failure.
 536 ****************************************************************************/
 537
 538 int vfs_set_filelen(files_struct *fsp, SMB_OFF_T len)
 539 {
 540         int ret;
 541
 542         contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
 543
 544         DEBUG(10,("vfs_set_filelen: ftruncate %s to len %.0f\n",
 545                   fsp_str_dbg(fsp), (double)len));
 546         flush_write_cache(fsp, SIZECHANGE_FLUSH);
 547         if ((ret = SMB_VFS_FTRUNCATE(fsp, len)) != -1) {
 548                 set_filelen_write_cache(fsp, len);
 549                 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
 550                              FILE_NOTIFY_CHANGE_SIZE
 551                              | FILE_NOTIFY_CHANGE_ATTRIBUTES,
 552                              fsp->fsp_name->base_name);
 553         }
 554
 555         contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
 556
 557         return ret;
 558 }
 559
 560 /****************************************************************************
 561  A slow version of posix_fallocate. Fallback code if SMB_VFS_POSIX_FALLOCATE
 562  fails. Needs to be outside of the default version of SMB_VFS_POSIX_FALLOCATE
 563  as this is also called from the default SMB_VFS_FTRUNCATE code.
 564  Returns 0 on success, errno on failure.
 565 ****************************************************************************/
 566
 567 #define SPARSE_BUF_WRITE_SIZE (32*1024)
 568
 569 int vfs_slow_fallocate(files_struct *fsp, SMB_OFF_T offset, SMB_OFF_T len)
 570 {
 571         ssize_t pwrite_ret;
 572         size_t total = 0;
 573
 574         if (!sparse_buf) {
 575                 sparse_buf = SMB_CALLOC_ARRAY(char, SPARSE_BUF_WRITE_SIZE);
 576                 if (!sparse_buf) {
 577                         errno = ENOMEM;
 578                         return ENOMEM;
 579                 }
 580         }
 581
 582         while (total < len) {
 583                 size_t curr_write_size = MIN(SPARSE_BUF_WRITE_SIZE, (len - total));
 584
 585                 pwrite_ret = SMB_VFS_PWRITE(fsp, sparse_buf, curr_write_size, offset + total);
 586                 if (pwrite_ret == -1) {
 587                         DEBUG(10,("vfs_slow_fallocate: SMB_VFS_PWRITE for file "
 588                                   "%s failed with error %s\n",
 589                                   fsp_str_dbg(fsp), strerror(errno)));
 590                         return errno;
 591                 }
 592                 total += pwrite_ret;
 593         }
 594
 595         return 0;
 596 }
 597
 598 /****************************************************************************
 599  A vfs fill sparse call.
 600  Writes zeros from the end of file to len, if len is greater than EOF.
 601  Used only by strict_sync.
 602  Returns 0 on success, -1 on failure.
 603 ****************************************************************************/
 604
 605 int vfs_fill_sparse(files_struct *fsp, SMB_OFF_T len)
 606 {
 607         int ret;
 608         SMB_STRUCT_STAT st;
 609         SMB_OFF_T offset;
 610         size_t num_to_write;
 611
 612         ret = SMB_VFS_FSTAT(fsp, &st);
 613         if (ret == -1) {
 614                 return ret;
 615         }
 616
 617         if (len <= st.st_ex_size) {
 618                 return 0;
 619         }
 620
 621 #ifdef S_ISFIFO
 622         if (S_ISFIFO(st.st_ex_mode)) {
 623                 return 0;
 624         }
 625 #endif
 626
 627         DEBUG(10,("vfs_fill_sparse: write zeros in file %s from len %.0f to "
 628                   "len %.0f (%.0f bytes)\n", fsp_str_dbg(fsp),
 629                   (double)st.st_ex_size, (double)len,
 630                   (double)(len - st.st_ex_size)));
 631
 632         contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_FILL_SPARSE);
 633
 634         flush_write_cache(fsp, SIZECHANGE_FLUSH);
 635
 636         offset = st.st_ex_size;
 637         num_to_write = len - st.st_ex_size;
 638
 639         /* Only do this on non-stream file handles. */
 640         if (fsp->base_fsp == NULL) {
 641                 /* for allocation try posix_fallocate first. This can fail on some
 642                  * platforms e.g. when the filesystem doesn't support it and no
 643                  * emulation is being done by the libc (like on AIX with JFS1). In that
 644                  * case we do our own emulation. posix_fallocate implementations can
 645                  * return ENOTSUP or EINVAL in cases like that. */
 646                 ret = SMB_VFS_POSIX_FALLOCATE(fsp, offset, num_to_write);
 647                 if (ret == ENOSPC) {
 648                         errno = ENOSPC;
 649                         ret = -1;
 650                         goto out;
 651                 }
 652                 if (ret == 0) {
 653                         goto out;
 654                 }
 655                 DEBUG(10,("vfs_fill_sparse: SMB_VFS_POSIX_FALLOCATE failed with "
 656                         "error %d. Falling back to slow manual allocation\n", ret));
 657         }
 658
 659         ret = vfs_slow_fallocate(fsp, offset, num_to_write);
 660         if (ret != 0) {
 661                 errno = ret;
 662                 ret = -1;
 663         }
 664
 665  out:
 666
 667         if (ret == 0) {
 668                 set_filelen_write_cache(fsp, len);
 669         }
 670
 671         contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_FILL_SPARSE);
 672         return ret;
 673 }
 674
 675 /****************************************************************************
 676  Transfer some data (n bytes) between two file_struct's.
 677 ****************************************************************************/
 678
 679 static ssize_t vfs_read_fn(void *file, void *buf, size_t len)
 680 {
 681         struct files_struct *fsp = (struct files_struct *)file;
 682
 683         return SMB_VFS_READ(fsp, buf, len);
 684 }
 685
 686 static ssize_t vfs_write_fn(void *file, const void *buf, size_t len)
 687 {
 688         struct files_struct *fsp = (struct files_struct *)file;
 689
 690         return SMB_VFS_WRITE(fsp, buf, len);
 691 }
 692
 693 SMB_OFF_T vfs_transfer_file(files_struct *in, files_struct *out, SMB_OFF_T n)
 694 {
 695         return transfer_file_internal((void *)in, (void *)out, n,
 696                                       vfs_read_fn, vfs_write_fn);
 697 }
 698
 699 /*******************************************************************
 700  A vfs_readdir wrapper which just returns the file name.
 701 ********************************************************************/
 702
 703 const char *vfs_readdirname(connection_struct *conn, void *p,
 704                             SMB_STRUCT_STAT *sbuf, char **talloced)
 705 {
 706         SMB_STRUCT_DIRENT *ptr= NULL;
 707         const char *dname;
 708         char *translated;
 709         NTSTATUS status;
 710
 711         if (!p)
 712                 return(NULL);
 713
 714         ptr = SMB_VFS_READDIR(conn, (DIR *)p, sbuf);
 715         if (!ptr)
 716                 return(NULL);
 717
 718         dname = ptr->d_name;
 719
 720
 721 #ifdef NEXT2
 722         if (telldir(p) < 0)
 723                 return(NULL);
 724 #endif
 725
 726 #ifdef HAVE_BROKEN_READDIR_NAME
 727         /* using /usr/ucb/cc is BAD */
 728         dname = dname - 2;
 729 #endif
 730
 731         status = SMB_VFS_TRANSLATE_NAME(conn, dname, vfs_translate_to_windows,
 732                                         talloc_tos(), &translated);
 733         if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
 734                 *talloced = NULL;
 735                 return dname;
 736         }
 737         *talloced = translated;
 738         if (!NT_STATUS_IS_OK(status)) {
 739                 return NULL;
 740         }
 741         return translated;
 742 }
 743
 744 /*******************************************************************
 745  A wrapper for vfs_chdir().
 746 ********************************************************************/
 747
 748 int vfs_ChDir(connection_struct *conn, const char *path)
 749 {
 750         int res;
 751
 752         if (!LastDir) {
 753                 LastDir = SMB_STRDUP("");
 754         }
 755
 756         if (strcsequal(path,"."))
 757                 return(0);
 758
 759         if (*path == '/' && strcsequal(LastDir,path))
 760                 return(0);
 761
 762         DEBUG(4,("vfs_ChDir to %s\n",path));
 763
 764         res = SMB_VFS_CHDIR(conn,path);
 765         if (!res) {
 766                 SAFE_FREE(LastDir);
 767                 LastDir = SMB_STRDUP(path);
 768         }
 769         return(res);
 770 }
 771
 772 /*******************************************************************
 773  Return the absolute current directory path - given a UNIX pathname.
 774  Note that this path is returned in DOS format, not UNIX
 775  format. Note this can be called with conn == NULL.
 776 ********************************************************************/
 777
 778 char *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn)
 779 {
 780         char s[PATH_MAX+1];
 781         char *result = NULL;
 782         DATA_BLOB cache_value;
 783         struct file_id key;
 784         struct smb_filename *smb_fname_dot = NULL;
 785         struct smb_filename *smb_fname_full = NULL;
 786         NTSTATUS status;
 787
 788         *s = 0;
 789
 790         if (!lp_getwd_cache()) {
 791                 goto nocache;
 792         }
 793
 794         status = create_synthetic_smb_fname(ctx, ".", NULL, NULL,
 795                                             &smb_fname_dot);
 796         if (!NT_STATUS_IS_OK(status)) {
 797                 errno = map_errno_from_nt_status(status);
 798                 goto out;
 799         }
 800
 801         if (SMB_VFS_STAT(conn, smb_fname_dot) == -1) {
 802                 /*
 803                  * Known to fail for root: the directory may be NFS-mounted
 804                  * and exported with root_squash (so has no root access).
 805                  */
 806                 DEBUG(1,("vfs_GetWd: couldn't stat \".\" error %s "
 807                          "(NFS problem ?)\n", strerror(errno) ));
 808                 goto nocache;
 809         }
 810
 811         key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
 812
 813         if (!memcache_lookup(smbd_memcache(), GETWD_CACHE,
 814                              data_blob_const(&key, sizeof(key)),
 815                              &cache_value)) {
 816                 goto nocache;
 817         }
 818
 819         SMB_ASSERT((cache_value.length > 0)
 820                    && (cache_value.data[cache_value.length-1] == '\0'));
 821
 822         status = create_synthetic_smb_fname(ctx, (char *)cache_value.data,
 823                                             NULL, NULL, &smb_fname_full);
 824         if (!NT_STATUS_IS_OK(status)) {
 825                 errno = map_errno_from_nt_status(status);
 826                 goto out;
 827         }
 828
 829         if ((SMB_VFS_STAT(conn, smb_fname_full) == 0) &&
 830             (smb_fname_dot->st.st_ex_dev == smb_fname_full->st.st_ex_dev) &&
 831             (smb_fname_dot->st.st_ex_ino == smb_fname_full->st.st_ex_ino) &&
 832             (S_ISDIR(smb_fname_dot->st.st_ex_mode))) {
 833                 /*
 834                  * Ok, we're done
 835                  */
 836                 result = talloc_strdup(ctx, smb_fname_full->base_name);
 837                 if (result == NULL) {
 838                         errno = ENOMEM;
 839                 }
 840                 goto out;
 841         }
 842
 843  nocache:
 844
 845         /*
 846          * We don't have the information to hand so rely on traditional
 847          * methods. The very slow getcwd, which spawns a process on some
 848          * systems, or the not quite so bad getwd.
 849          */
 850
 851         if (!SMB_VFS_GETWD(conn,s)) {
 852                 DEBUG(0, ("vfs_GetWd: SMB_VFS_GETWD call failed: %s\n",
 853                           strerror(errno)));
 854                 goto out;
 855         }
 856
 857         if (lp_getwd_cache() && VALID_STAT(smb_fname_dot->st)) {
 858                 key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
 859
 860                 memcache_add(smbd_memcache(), GETWD_CACHE,
 861                              data_blob_const(&key, sizeof(key)),
 862                              data_blob_const(s, strlen(s)+1));
 863         }
 864
 865         result = talloc_strdup(ctx, s);
 866         if (result == NULL) {
 867                 errno = ENOMEM;
 868         }
 869
 870  out:
 871         TALLOC_FREE(smb_fname_dot);
 872         TALLOC_FREE(smb_fname_full);
 873         return result;
 874 }
 875
 876 /*******************************************************************
 877  Reduce a file name, removing .. elements and checking that
 878  it is below dir in the heirachy. This uses realpath.
 879 ********************************************************************/
 880
 881 NTSTATUS check_reduced_name(connection_struct *conn, const char *fname)
 882 {
 883         char *resolved_name = NULL;
 884         char *p = NULL;
 885
 886         DEBUG(3,("check_reduced_name [%s] [%s]\n", fname, conn->connectpath));
 887
 888         resolved_name = SMB_VFS_REALPATH(conn,fname);
 889
 890         if (!resolved_name) {
 891                 switch (errno) {
 892                         case ENOTDIR:
 893                                 DEBUG(3,("check_reduced_name: Component not a "
 894                                          "directory in getting realpath for "
 895                                          "%s\n", fname));
 896                                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
 897                         case ENOENT:
 898                         {
 899                                 TALLOC_CTX *ctx = talloc_tos();
 900                                 char *tmp_fname = NULL;
 901                                 char *last_component = NULL;
 902                                 /* Last component didn't exist. Remove it and try and canonicalise the directory. */
 903
 904                                 tmp_fname = talloc_strdup(ctx, fname);
 905                                 if (!tmp_fname) {
 906                                         return NT_STATUS_NO_MEMORY;
 907                                 }
 908                                 p = strrchr_m(tmp_fname, '/');
 909                                 if (p) {
 910                                         *p++ = '\0';
 911                                         last_component = p;
 912                                 } else {
 913                                         last_component = tmp_fname;
 914                                         tmp_fname = talloc_strdup(ctx,
 915                                                         ".");
 916                                         if (!tmp_fname) {
 917                                                 return NT_STATUS_NO_MEMORY;
 918                                         }
 919                                 }
 920
 921                                 resolved_name = SMB_VFS_REALPATH(conn,tmp_fname);
 922                                 if (!resolved_name) {
 923                                         NTSTATUS status = map_nt_error_from_unix(errno);
 924
 925                                         if (errno == ENOENT || errno == ENOTDIR) {
 926                                                 status = NT_STATUS_OBJECT_PATH_NOT_FOUND;
 927                                         }
 928
 929                                         DEBUG(3,("check_reduce_named: "
 930                                                  "couldn't get realpath for "
 931                                                  "%s (%s)\n",
 932                                                 fname,
 933                                                 nt_errstr(status)));
 934                                         return status;
 935                                 }
 936                                 tmp_fname = talloc_asprintf(ctx,
 937                                                 "%s/%s",
 938                                                 resolved_name,
 939                                                 last_component);
 940                                 if (!tmp_fname) {
 941                                         return NT_STATUS_NO_MEMORY;
 942                                 }
 943                                 SAFE_FREE(resolved_name);
 944                                 resolved_name = SMB_STRDUP(tmp_fname);
 945                                 if (!resolved_name) {
 946                                         DEBUG(0, ("check_reduced_name: malloc "
 947                                                   "fail for %s\n", tmp_fname));
 948                                         return NT_STATUS_NO_MEMORY;
 949                                 }
 950                                 break;
 951                         }
 952                         default:
 953                                 DEBUG(3,("check_reduced_name: couldn't get "
 954                                          "realpath for %s\n", fname));
 955                                 return map_nt_error_from_unix(errno);
 956                 }
 957         }
 958
 959         DEBUG(10,("check_reduced_name realpath [%s] -> [%s]\n", fname,
 960                   resolved_name));
 961
 962         if (*resolved_name != '/') {
 963                 DEBUG(0,("check_reduced_name: realpath doesn't return "
 964                          "absolute paths !\n"));
 965                 SAFE_FREE(resolved_name);
 966                 return NT_STATUS_OBJECT_NAME_INVALID;
 967         }
 968
 969         /* Check for widelinks allowed. */
 970         if (!lp_widelinks(SNUM(conn))) {
 971                     const char *conn_rootdir;
 972
 973                     conn_rootdir = SMB_VFS_CONNECTPATH(conn, fname);
 974                     if (conn_rootdir == NULL) {
 975                             DEBUG(2, ("check_reduced_name: Could not get "
 976                                       "conn_rootdir\n"));
 977                             SAFE_FREE(resolved_name);
 978                             return NT_STATUS_ACCESS_DENIED;
 979                     }
 980
 981                     if (strncmp(conn_rootdir, resolved_name,
 982                                 strlen(conn_rootdir)) != 0) {
 983                             DEBUG(2, ("check_reduced_name: Bad access "
 984                                       "attempt: %s is a symlink outside the "
 985                                       "share path\n", fname));
 986                             SAFE_FREE(resolved_name);
 987                             return NT_STATUS_ACCESS_DENIED;
 988                     }
 989         }
 990
 991         /* Check if we are allowing users to follow symlinks */
 992         /* Patch from David Clerc <David.Clerc@cui.unige.ch>
 993                 University of Geneva */
 994
 995 #ifdef S_ISLNK
 996         if (!lp_symlinks(SNUM(conn))) {
 997                 struct smb_filename *smb_fname = NULL;
 998                 NTSTATUS status;
 999
1000                 status = create_synthetic_smb_fname(talloc_tos(), fname, NULL,
1001                                                     NULL, &smb_fname);
1002                 if (!NT_STATUS_IS_OK(status)) {
1003                         SAFE_FREE(resolved_name);
1004                         return status;
1005                 }
1006
1007                 if ( (SMB_VFS_LSTAT(conn, smb_fname) != -1) &&
1008                                 (S_ISLNK(smb_fname->st.st_ex_mode)) ) {
1009                         SAFE_FREE(resolved_name);
1010                         DEBUG(3,("check_reduced_name: denied: file path name "
1011                                  "%s is a symlink\n",resolved_name));
1012                         TALLOC_FREE(smb_fname);
1013                         return NT_STATUS_ACCESS_DENIED;
1014                 }
1015                 TALLOC_FREE(smb_fname);
1016         }
1017 #endif
1018
1019         DEBUG(3,("check_reduced_name: %s reduced to %s\n", fname,
1020                  resolved_name));
1021         SAFE_FREE(resolved_name);
1022         return NT_STATUS_OK;
1023 }
1024
1025 /**
1026  * XXX: This is temporary and there should be no callers of this once
1027  * smb_filename is plumbed through all path based operations.
1028  */
1029 int vfs_stat_smb_fname(struct connection_struct *conn, const char *fname,
1030                        SMB_STRUCT_STAT *psbuf)
1031 {
1032         struct smb_filename *smb_fname = NULL;
1033         NTSTATUS status;
1034         int ret;
1035
1036         status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL,
1037                                                   &smb_fname);
1038         if (!NT_STATUS_IS_OK(status)) {
1039                 errno = map_errno_from_nt_status(status);
1040                 return -1;
1041         }
1042
1043         if (lp_posix_pathnames()) {
1044                 ret = SMB_VFS_LSTAT(conn, smb_fname);
1045         } else {
1046                 ret = SMB_VFS_STAT(conn, smb_fname);
1047         }
1048
1049         if (ret != -1) {
1050                 *psbuf = smb_fname->st;
1051         }
1052
1053         TALLOC_FREE(smb_fname);
1054         return ret;
1055 }
1056
1057 /**
1058  * XXX: This is temporary and there should be no callers of this once
1059  * smb_filename is plumbed through all path based operations.
1060  */
1061 int vfs_lstat_smb_fname(struct connection_struct *conn, const char *fname,
1062                         SMB_STRUCT_STAT *psbuf)
1063 {
1064         struct smb_filename *smb_fname = NULL;
1065         NTSTATUS status;
1066         int ret;
1067
1068         status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL,
1069                                                   &smb_fname);
1070         if (!NT_STATUS_IS_OK(status)) {
1071                 errno = map_errno_from_nt_status(status);
1072                 return -1;
1073         }
1074
1075         ret = SMB_VFS_LSTAT(conn, smb_fname);
1076         if (ret != -1) {
1077                 *psbuf = smb_fname->st;
1078         }
1079
1080         TALLOC_FREE(smb_fname);
1081         return ret;
1082 }
1083
1084 /**
1085  * Ensure LSTAT is called for POSIX paths.
1086  */
1087
1088 NTSTATUS vfs_stat_fsp(files_struct *fsp)
1089 {
1090         int ret;
1091
1092         if(fsp->is_directory || fsp->fh->fd == -1) {
1093                 if (fsp->posix_open) {
1094                         ret = SMB_VFS_LSTAT(fsp->conn, fsp->fsp_name);
1095                 } else {
1096                         ret = SMB_VFS_STAT(fsp->conn, fsp->fsp_name);
1097                 }
1098                 if (ret == -1) {
1099                         return map_nt_error_from_unix(errno);
1100                 }
1101         } else {
1102                 if(SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) != 0) {
1103                         return map_nt_error_from_unix(errno);
1104                 }
1105         }
1106         return NT_STATUS_OK;
1107 }
1108
1109 /*
1110   generate a file_id from a stat structure
1111  */
1112 struct file_id vfs_file_id_from_sbuf(connection_struct *conn, const SMB_STRUCT_STAT *sbuf)
1113 {
1114         return SMB_VFS_FILE_ID_CREATE(conn, sbuf);
1115 }
1116
1117 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
1118                          const char *service, const char *user)
1119 {
1120         VFS_FIND(connect_fn);
1121         return handle->fns->connect_fn(handle, service, user);
1122 }
1123
1124 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle)
1125 {
1126         VFS_FIND(disconnect);
1127         handle->fns->disconnect(handle);
1128 }
1129
1130 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
1131                                 const char *path, bool small_query,
1132                                 uint64_t *bsize, uint64_t *dfree,
1133                                 uint64_t *dsize)
1134 {
1135         VFS_FIND(disk_free);
1136         return handle->fns->disk_free(handle, path, small_query, bsize, dfree,
1137                                       dsize);
1138 }
1139
1140 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
1141                            enum SMB_QUOTA_TYPE qtype, unid_t id,
1142                            SMB_DISK_QUOTA *qt)
1143 {
1144         VFS_FIND(get_quota);
1145         return handle->fns->get_quota(handle, qtype, id, qt);
1146 }
1147
1148 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
1149                            enum SMB_QUOTA_TYPE qtype, unid_t id,
1150                            SMB_DISK_QUOTA *qt)
1151 {
1152         VFS_FIND(set_quota);
1153         return handle->fns->set_quota(handle, qtype, id, qt);
1154 }
1155
1156 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
1157                                       struct files_struct *fsp,
1158                                       SHADOW_COPY_DATA *shadow_copy_data,
1159                                       bool labels)
1160 {
1161         VFS_FIND(get_shadow_copy_data);
1162         return handle->fns->get_shadow_copy_data(handle, fsp, shadow_copy_data,
1163                                                  labels);
1164 }
1165 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
1166                          struct vfs_statvfs_struct *statbuf)
1167 {
1168         VFS_FIND(statvfs);
1169         return handle->fns->statvfs(handle, path, statbuf);
1170 }
1171
1172 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
1173                         enum timestamp_set_resolution *p_ts_res)
1174 {
1175         VFS_FIND(fs_capabilities);
1176         return handle->fns->fs_capabilities(handle, p_ts_res);
1177 }
1178
1179 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
1180                                      const char *fname, const char *mask,
1181                                      uint32 attributes)
1182 {
1183         VFS_FIND(opendir);
1184         return handle->fns->opendir(handle, fname, mask, attributes);
1185 }
1186
1187 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1188                                               SMB_STRUCT_DIR *dirp,
1189                                               SMB_STRUCT_STAT *sbuf)
1190 {
1191         VFS_FIND(readdir);
1192         return handle->fns->readdir(handle, dirp, sbuf);
1193 }
1194
1195 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
1196                           SMB_STRUCT_DIR *dirp, long offset)
1197 {
1198         VFS_FIND(seekdir);
1199         handle->fns->seekdir(handle, dirp, offset);
1200 }
1201
1202 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
1203                           SMB_STRUCT_DIR *dirp)
1204 {
1205         VFS_FIND(telldir);
1206         return handle->fns->telldir(handle, dirp);
1207 }
1208
1209 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1210                              SMB_STRUCT_DIR *dirp)
1211 {
1212         VFS_FIND(rewind_dir);
1213         handle->fns->rewind_dir(handle, dirp);
1214 }
1215
1216 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
1217                        mode_t mode)
1218 {
1219         VFS_FIND(mkdir);
1220         return handle->fns->mkdir(handle, path, mode);
1221 }
1222
1223 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path)
1224 {
1225         VFS_FIND(rmdir);
1226         return handle->fns->rmdir(handle, path);
1227 }
1228
1229 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1230                           SMB_STRUCT_DIR *dir)
1231 {
1232         VFS_FIND(closedir);
1233         return handle->fns->closedir(handle, dir);
1234 }
1235
1236 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
1237                                  SMB_STRUCT_DIR *dirp)
1238 {
1239         VFS_FIND(init_search_op);
1240         handle->fns->init_search_op(handle, dirp);
1241 }
1242
1243 int smb_vfs_call_open(struct vfs_handle_struct *handle,
1244                       struct smb_filename *smb_fname, struct files_struct *fsp,
1245                       int flags, mode_t mode)
1246 {
1247         VFS_FIND(open);
1248         return handle->fns->open(handle, smb_fname, fsp, flags, mode);
1249 }
1250
1251 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1252                                   struct smb_request *req,
1253                                   uint16_t root_dir_fid,
1254                                   struct smb_filename *smb_fname,
1255                                   uint32_t access_mask,
1256                                   uint32_t share_access,
1257                                   uint32_t create_disposition,
1258                                   uint32_t create_options,
1259                                   uint32_t file_attributes,
1260                                   uint32_t oplock_request,
1261                                   uint64_t allocation_size,
1262                                   uint32_t private_flags,
1263                                   struct security_descriptor *sd,
1264                                   struct ea_list *ea_list,
1265                                   files_struct **result,
1266                                   int *pinfo)
1267 {
1268         VFS_FIND(create_file);
1269         return handle->fns->create_file(
1270                 handle, req, root_dir_fid, smb_fname, access_mask,
1271                 share_access, create_disposition, create_options,
1272                 file_attributes, oplock_request, allocation_size,
1273                 private_flags, sd, ea_list,
1274                 result, pinfo);
1275 }
1276
1277 int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
1278                           struct files_struct *fsp)
1279 {
1280         VFS_FIND(close_fn);
1281         return handle->fns->close_fn(handle, fsp);
1282 }
1283
1284 ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
1285                               struct files_struct *fsp, void *data, size_t n)
1286 {
1287         VFS_FIND(vfs_read);
1288         return handle->fns->vfs_read(handle, fsp, data, n);
1289 }
1290
1291 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1292                            struct files_struct *fsp, void *data, size_t n,
1293                            SMB_OFF_T offset)
1294 {
1295         VFS_FIND(pread);
1296         return handle->fns->pread(handle, fsp, data, n, offset);
1297 }
1298
1299 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1300                            struct files_struct *fsp, const void *data,
1301                            size_t n)
1302 {
1303         VFS_FIND(write);
1304         return handle->fns->write(handle, fsp, data, n);
1305 }
1306
1307 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1308                             struct files_struct *fsp, const void *data,
1309                             size_t n, SMB_OFF_T offset)
1310 {
1311         VFS_FIND(pwrite);
1312         return handle->fns->pwrite(handle, fsp, data, n, offset);
1313 }
1314
1315 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1316                              struct files_struct *fsp, SMB_OFF_T offset,
1317                              int whence)
1318 {
1319         VFS_FIND(lseek);
1320         return handle->fns->lseek(handle, fsp, offset, whence);
1321 }
1322
1323 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1324                               files_struct *fromfsp, const DATA_BLOB *header,
1325                               SMB_OFF_T offset, size_t count)
1326 {
1327         VFS_FIND(sendfile);
1328         return handle->fns->sendfile(handle, tofd, fromfsp, header, offset,
1329                                      count);
1330 }
1331
1332 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1333                               files_struct *tofsp, SMB_OFF_T offset,
1334                               size_t count)
1335 {
1336         VFS_FIND(recvfile);
1337         return handle->fns->recvfile(handle, fromfd, tofsp, offset, count);
1338 }
1339
1340 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1341                         const struct smb_filename *smb_fname_src,
1342                         const struct smb_filename *smb_fname_dst)
1343 {
1344         VFS_FIND(rename);
1345         return handle->fns->rename(handle, smb_fname_src, smb_fname_dst);
1346 }
1347
1348 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1349                        struct files_struct *fsp)
1350 {
1351         VFS_FIND(fsync);
1352         return handle->fns->fsync(handle, fsp);
1353 }
1354
1355 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1356                       struct smb_filename *smb_fname)
1357 {
1358         VFS_FIND(stat);
1359         return handle->fns->stat(handle, smb_fname);
1360 }
1361
1362 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1363                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1364 {
1365         VFS_FIND(fstat);
1366         return handle->fns->fstat(handle, fsp, sbuf);
1367 }
1368
1369 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1370                        struct smb_filename *smb_filename)
1371 {
1372         VFS_FIND(lstat);
1373         return handle->fns->lstat(handle, smb_filename);
1374 }
1375
1376 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1377                                      struct files_struct *fsp,
1378                                      const SMB_STRUCT_STAT *sbuf)
1379 {
1380         VFS_FIND(get_alloc_size);
1381         return handle->fns->get_alloc_size(handle, fsp, sbuf);
1382 }
1383
1384 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1385                         const struct smb_filename *smb_fname)
1386 {
1387         VFS_FIND(unlink);
1388         return handle->fns->unlink(handle, smb_fname);
1389 }
1390
1391 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1392                        mode_t mode)
1393 {
1394         VFS_FIND(chmod);
1395         return handle->fns->chmod(handle, path, mode);
1396 }
1397
1398 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1399                         struct files_struct *fsp, mode_t mode)
1400 {
1401         VFS_FIND(fchmod);
1402         return handle->fns->fchmod(handle, fsp, mode);
1403 }
1404
1405 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1406                        uid_t uid, gid_t gid)
1407 {
1408         VFS_FIND(chown);
1409         return handle->fns->chown(handle, path, uid, gid);
1410 }
1411
1412 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1413                         struct files_struct *fsp, uid_t uid, gid_t gid)
1414 {
1415         VFS_FIND(fchown);
1416         return handle->fns->fchown(handle, fsp, uid, gid);
1417 }
1418
1419 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1420                         uid_t uid, gid_t gid)
1421 {
1422         VFS_FIND(lchown);
1423         return handle->fns->lchown(handle, path, uid, gid);
1424 }
1425
1426 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path)
1427 {
1428         VFS_FIND(chdir);
1429         return handle->fns->chdir(handle, path);
1430 }
1431
1432 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf)
1433 {
1434         VFS_FIND(getwd);
1435         return handle->fns->getwd(handle, buf);
1436 }
1437
1438 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1439                         const struct smb_filename *smb_fname,
1440                         struct smb_file_time *ft)
1441 {
1442         VFS_FIND(ntimes);
1443         return handle->fns->ntimes(handle, smb_fname, ft);
1444 }
1445
1446 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1447                            struct files_struct *fsp, SMB_OFF_T offset)
1448 {
1449         VFS_FIND(ftruncate);
1450         return handle->fns->ftruncate(handle, fsp, offset);
1451 }
1452
1453 int smb_vfs_call_posix_fallocate(struct vfs_handle_struct *handle,
1454                                 struct files_struct *fsp,
1455                                 SMB_OFF_T offset,
1456                                 SMB_OFF_T len)
1457 {
1458         VFS_FIND(posix_fallocate);
1459         return handle->fns->posix_fallocate(handle, fsp, offset, len);
1460 }
1461
1462 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1463                               struct files_struct *fsp, uint32 share_mode,
1464                               uint32_t access_mask)
1465 {
1466         VFS_FIND(kernel_flock);
1467         return handle->fns->kernel_flock(handle, fsp, share_mode,
1468                                          access_mask);
1469 }
1470
1471 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1472                                 struct files_struct *fsp, int leasetype)
1473 {
1474         VFS_FIND(linux_setlease);
1475         return handle->fns->linux_setlease(handle, fsp, leasetype);
1476 }
1477
1478 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1479                          const char *newpath)
1480 {
1481         VFS_FIND(symlink);
1482         return handle->fns->symlink(handle, oldpath, newpath);
1483 }
1484
1485 int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
1486                               const char *path, char *buf, size_t bufsiz)
1487 {
1488         VFS_FIND(vfs_readlink);
1489         return handle->fns->vfs_readlink(handle, path, buf, bufsiz);
1490 }
1491
1492 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1493                       const char *newpath)
1494 {
1495         VFS_FIND(link);
1496         return handle->fns->link(handle, oldpath, newpath);
1497 }
1498
1499 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1500                        mode_t mode, SMB_DEV_T dev)
1501 {
1502         VFS_FIND(mknod);
1503         return handle->fns->mknod(handle, path, mode, dev);
1504 }
1505
1506 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path)
1507 {
1508         VFS_FIND(realpath);
1509         return handle->fns->realpath(handle, path);
1510 }
1511
1512 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
1513                                    struct sys_notify_context *ctx,
1514                                    struct notify_entry *e,
1515                                    void (*callback)(struct sys_notify_context *ctx,
1516                                                     void *private_data,
1517                                                     struct notify_event *ev),
1518                                    void *private_data, void *handle_p)
1519 {
1520         VFS_FIND(notify_watch);
1521         return handle->fns->notify_watch(handle, ctx, e, callback,
1522                                          private_data, handle_p);
1523 }
1524
1525 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1526                          unsigned int flags)
1527 {
1528         VFS_FIND(chflags);
1529         return handle->fns->chflags(handle, path, flags);
1530 }
1531
1532 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1533                                            const SMB_STRUCT_STAT *sbuf)
1534 {
1535         VFS_FIND(file_id_create);
1536         return handle->fns->file_id_create(handle, sbuf);
1537 }
1538
1539 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1540                                  struct files_struct *fsp,
1541                                  const char *fname,
1542                                  TALLOC_CTX *mem_ctx,
1543                                  unsigned int *num_streams,
1544                                  struct stream_struct **streams)
1545 {
1546         VFS_FIND(streaminfo);
1547         return handle->fns->streaminfo(handle, fsp, fname, mem_ctx,
1548                                        num_streams, streams);
1549 }
1550
1551 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1552                                    const char *path, const char *name,
1553                                    TALLOC_CTX *mem_ctx, char **found_name)
1554 {
1555         VFS_FIND(get_real_filename);
1556         return handle->fns->get_real_filename(handle, path, name, mem_ctx,
1557                                               found_name);
1558 }
1559
1560 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1561                                      const char *filename)
1562 {
1563         VFS_FIND(connectpath);
1564         return handle->fns->connectpath(handle, filename);
1565 }
1566
1567 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1568                               struct files_struct *fsp,
1569                               struct lock_struct *plock)
1570 {
1571         VFS_FIND(strict_lock);
1572         return handle->fns->strict_lock(handle, fsp, plock);
1573 }
1574
1575 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1576                                 struct files_struct *fsp,
1577                                 struct lock_struct *plock)
1578 {
1579         VFS_FIND(strict_unlock);
1580         handle->fns->strict_unlock(handle, fsp, plock);
1581 }
1582
1583 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1584                                      const char *name,
1585                                      enum vfs_translate_direction direction,
1586                                      TALLOC_CTX *mem_ctx,
1587                                      char **mapped_name)
1588 {
1589         VFS_FIND(translate_name);
1590         return handle->fns->translate_name(handle, name, direction, mem_ctx,
1591                                            mapped_name);
1592 }
1593
1594 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1595                                   struct files_struct *fsp,
1596                                   uint32 security_info,
1597                                   struct security_descriptor **ppdesc)
1598 {
1599         VFS_FIND(fget_nt_acl);
1600         return handle->fns->fget_nt_acl(handle, fsp, security_info,
1601                                         ppdesc);
1602 }
1603
1604 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1605                                  const char *name,
1606                                  uint32 security_info,
1607                                  struct security_descriptor **ppdesc)
1608 {
1609         VFS_FIND(get_nt_acl);
1610         return handle->fns->get_nt_acl(handle, name, security_info, ppdesc);
1611 }
1612
1613 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1614                                   struct files_struct *fsp,
1615                                   uint32 security_info_sent,
1616                                   const struct security_descriptor *psd)
1617 {
1618         VFS_FIND(fset_nt_acl);
1619         return handle->fns->fset_nt_acl(handle, fsp, security_info_sent, psd);
1620 }
1621
1622 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1623                            mode_t mode)
1624 {
1625         VFS_FIND(chmod_acl);
1626         return handle->fns->chmod_acl(handle, name, mode);
1627 }
1628
1629 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1630                             struct files_struct *fsp, mode_t mode)
1631 {
1632         VFS_FIND(fchmod_acl);
1633         return handle->fns->fchmod_acl(handle, fsp, mode);
1634 }
1635
1636 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
1637                                    SMB_ACL_T theacl, int entry_id,
1638                                    SMB_ACL_ENTRY_T *entry_p)
1639 {
1640         VFS_FIND(sys_acl_get_entry);
1641         return handle->fns->sys_acl_get_entry(handle, theacl, entry_id,
1642                                               entry_p);
1643 }
1644
1645 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
1646                                       SMB_ACL_ENTRY_T entry_d,
1647                                       SMB_ACL_TAG_T *tag_type_p)
1648 {
1649         VFS_FIND(sys_acl_get_tag_type);
1650         return handle->fns->sys_acl_get_tag_type(handle, entry_d, tag_type_p);
1651 }
1652
1653 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
1654                                      SMB_ACL_ENTRY_T entry_d,
1655                                      SMB_ACL_PERMSET_T *permset_p)
1656 {
1657         VFS_FIND(sys_acl_get_permset);
1658         return handle->fns->sys_acl_get_permset(handle, entry_d, permset_p);
1659 }
1660
1661 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
1662                                           SMB_ACL_ENTRY_T entry_d)
1663 {
1664         VFS_FIND(sys_acl_get_qualifier);
1665         return handle->fns->sys_acl_get_qualifier(handle, entry_d);
1666 }
1667
1668 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1669                                         const char *path_p,
1670                                         SMB_ACL_TYPE_T type)
1671 {
1672         VFS_FIND(sys_acl_get_file);
1673         return handle->fns->sys_acl_get_file(handle, path_p, type);
1674 }
1675
1676 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1677                                       struct files_struct *fsp)
1678 {
1679         VFS_FIND(sys_acl_get_fd);
1680         return handle->fns->sys_acl_get_fd(handle, fsp);
1681 }
1682
1683 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
1684                                      SMB_ACL_PERMSET_T permset)
1685 {
1686         VFS_FIND(sys_acl_clear_perms);
1687         return handle->fns->sys_acl_clear_perms(handle, permset);
1688 }
1689
1690 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
1691                                   SMB_ACL_PERMSET_T permset,
1692                                   SMB_ACL_PERM_T perm)
1693 {
1694         VFS_FIND(sys_acl_add_perm);
1695         return handle->fns->sys_acl_add_perm(handle, permset, perm);
1696 }
1697
1698 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
1699                                     SMB_ACL_T theacl, ssize_t *plen)
1700 {
1701         VFS_FIND(sys_acl_to_text);
1702         return handle->fns->sys_acl_to_text(handle, theacl, plen);
1703 }
1704
1705 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
1706                                     int count)
1707 {
1708         VFS_FIND(sys_acl_init);
1709         return handle->fns->sys_acl_init(handle, count);
1710 }
1711
1712 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
1713                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
1714 {
1715         VFS_FIND(sys_acl_create_entry);
1716         return handle->fns->sys_acl_create_entry(handle, pacl, pentry);
1717 }
1718
1719 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
1720                                       SMB_ACL_ENTRY_T entry,
1721                                       SMB_ACL_TAG_T tagtype)
1722 {
1723         VFS_FIND(sys_acl_set_tag_type);
1724         return handle->fns->sys_acl_set_tag_type(handle, entry, tagtype);
1725 }
1726
1727 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
1728                                        SMB_ACL_ENTRY_T entry, void *qual)
1729 {
1730         VFS_FIND(sys_acl_set_qualifier);
1731         return handle->fns->sys_acl_set_qualifier(handle, entry, qual);
1732 }
1733
1734 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
1735                                      SMB_ACL_ENTRY_T entry,
1736                                      SMB_ACL_PERMSET_T permset)
1737 {
1738         VFS_FIND(sys_acl_set_permset);
1739         return handle->fns->sys_acl_set_permset(handle, entry, permset);
1740 }
1741
1742 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
1743                                SMB_ACL_T theacl)
1744 {
1745         VFS_FIND(sys_acl_valid);
1746         return handle->fns->sys_acl_valid(handle, theacl);
1747 }
1748
1749 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1750                                   const char *name, SMB_ACL_TYPE_T acltype,
1751                                   SMB_ACL_T theacl)
1752 {
1753         VFS_FIND(sys_acl_set_file);
1754         return handle->fns->sys_acl_set_file(handle, name, acltype, theacl);
1755 }
1756
1757 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1758                                 struct files_struct *fsp, SMB_ACL_T theacl)
1759 {
1760         VFS_FIND(sys_acl_set_fd);
1761         return handle->fns->sys_acl_set_fd(handle, fsp, theacl);
1762 }
1763
1764 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1765                                          const char *path)
1766 {
1767         VFS_FIND(sys_acl_delete_def_file);
1768         return handle->fns->sys_acl_delete_def_file(handle, path);
1769 }
1770
1771 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
1772                                   SMB_ACL_PERMSET_T permset,
1773                                   SMB_ACL_PERM_T perm)
1774 {
1775         VFS_FIND(sys_acl_get_perm);
1776         return handle->fns->sys_acl_get_perm(handle, permset, perm);
1777 }
1778
1779 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
1780                                    char *text)
1781 {
1782         VFS_FIND(sys_acl_free_text);
1783         return handle->fns->sys_acl_free_text(handle, text);
1784 }
1785
1786 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
1787                                   SMB_ACL_T posix_acl)
1788 {
1789         VFS_FIND(sys_acl_free_acl);
1790         return handle->fns->sys_acl_free_acl(handle, posix_acl);
1791 }
1792
1793 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
1794                                         void *qualifier, SMB_ACL_TAG_T tagtype)
1795 {
1796         VFS_FIND(sys_acl_free_qualifier);
1797         return handle->fns->sys_acl_free_qualifier(handle, qualifier, tagtype);
1798 }
1799
1800 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1801                               const char *path, const char *name, void *value,
1802                               size_t size)
1803 {
1804         VFS_FIND(getxattr);
1805         return handle->fns->getxattr(handle, path, name, value, size);
1806 }
1807
1808 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
1809                                const char *path, const char *name, void *value,
1810                                size_t size)
1811 {
1812         VFS_FIND(lgetxattr);
1813         return handle->fns->lgetxattr(handle, path, name, value, size);
1814 }
1815
1816 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1817                                struct files_struct *fsp, const char *name,
1818                                void *value, size_t size)
1819 {
1820         VFS_FIND(fgetxattr);
1821         return handle->fns->fgetxattr(handle, fsp, name, value, size);
1822 }
1823
1824 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1825                                const char *path, char *list, size_t size)
1826 {
1827         VFS_FIND(listxattr);
1828         return handle->fns->listxattr(handle, path, list, size);
1829 }
1830
1831 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1832                                 const char *path, char *list, size_t size)
1833 {
1834         VFS_FIND(llistxattr);
1835         return handle->fns->llistxattr(handle, path, list, size);
1836 }
1837
1838 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1839                                 struct files_struct *fsp, char *list,
1840                                 size_t size)
1841 {
1842         VFS_FIND(flistxattr);
1843         return handle->fns->flistxattr(handle, fsp, list, size);
1844 }
1845
1846 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1847                              const char *path, const char *name)
1848 {
1849         VFS_FIND(removexattr);
1850         return handle->fns->removexattr(handle, path, name);
1851 }
1852
1853 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
1854                               const char *path, const char *name)
1855 {
1856         VFS_FIND(lremovexattr);
1857         return handle->fns->lremovexattr(handle, path, name);
1858 }
1859
1860 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1861                               struct files_struct *fsp, const char *name)
1862 {
1863         VFS_FIND(fremovexattr);
1864         return handle->fns->fremovexattr(handle, fsp, name);
1865 }
1866
1867 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
1868                           const char *name, const void *value, size_t size,
1869                           int flags)
1870 {
1871         VFS_FIND(setxattr);
1872         return handle->fns->setxattr(handle, path, name, value, size, flags);
1873 }
1874
1875 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1876                            const char *name, const void *value, size_t size,
1877                            int flags)
1878 {
1879         VFS_FIND(lsetxattr);
1880         return handle->fns->lsetxattr(handle, path, name, value, size, flags);
1881 }
1882
1883 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1884                            struct files_struct *fsp, const char *name,
1885                            const void *value, size_t size, int flags)
1886 {
1887         VFS_FIND(fsetxattr);
1888         return handle->fns->fsetxattr(handle, fsp, name, value, size, flags);
1889 }
1890
1891 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
1892                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1893 {
1894         VFS_FIND(aio_read);
1895         return handle->fns->aio_read(handle, fsp, aiocb);
1896 }
1897
1898 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
1899                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1900 {
1901         VFS_FIND(aio_write);
1902         return handle->fns->aio_write(handle, fsp, aiocb);
1903 }
1904
1905 ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
1906                                    struct files_struct *fsp,
1907                                    SMB_STRUCT_AIOCB *aiocb)
1908 {
1909         VFS_FIND(aio_return_fn);
1910         return handle->fns->aio_return_fn(handle, fsp, aiocb);
1911 }
1912
1913 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
1914                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1915 {
1916         VFS_FIND(aio_cancel);
1917         return handle->fns->aio_cancel(handle, fsp, aiocb);
1918 }
1919
1920 int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
1921                               struct files_struct *fsp,
1922                               SMB_STRUCT_AIOCB *aiocb)
1923 {
1924         VFS_FIND(aio_error_fn);
1925         return handle->fns->aio_error_fn(handle, fsp, aiocb);
1926 }
1927
1928 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
1929                            struct files_struct *fsp, int op,
1930                            SMB_STRUCT_AIOCB *aiocb)
1931 {
1932         VFS_FIND(aio_fsync);
1933         return handle->fns->aio_fsync(handle, fsp, op, aiocb);
1934 }
1935
1936 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
1937                              struct files_struct *fsp,
1938                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
1939                              const struct timespec *timeout)
1940 {
1941         VFS_FIND(aio_suspend);
1942         return handle->fns->aio_suspend(handle, fsp, aiocb, n, timeout);
1943 }
1944
1945 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1946                             struct files_struct *fsp)
1947 {
1948         VFS_FIND(aio_force);
1949         return handle->fns->aio_force(handle, fsp);
1950 }
1951
1952 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1953                              const char *path, SMB_STRUCT_STAT *sbuf)
1954 {
1955         VFS_FIND(is_offline);
1956         return handle->fns->is_offline(handle, path, sbuf);
1957 }
1958
1959 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1960                              const char *path)
1961 {
1962         VFS_FIND(set_offline);
1963         return handle->fns->set_offline(handle, path);
1964 }