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 vfs fill sparse call.
 562  Writes zeros from the end of file to len, if len is greater than EOF.
 563  Used only by strict_sync.
 564  Returns 0 on success, -1 on failure.
 565 ****************************************************************************/
 566
 567 #define SPARSE_BUF_WRITE_SIZE (32*1024)
 568
 569 int vfs_fill_sparse(files_struct *fsp, SMB_OFF_T len)
 570 {
 571         int ret;
 572         SMB_STRUCT_STAT st;
 573         SMB_OFF_T offset;
 574         size_t total;
 575         size_t num_to_write;
 576         ssize_t pwrite_ret;
 577
 578         ret = SMB_VFS_FSTAT(fsp, &st);
 579         if (ret == -1) {
 580                 return ret;
 581         }
 582
 583         if (len <= st.st_ex_size) {
 584                 return 0;
 585         }
 586
 587 #ifdef S_ISFIFO
 588         if (S_ISFIFO(st.st_ex_mode)) {
 589                 return 0;
 590         }
 591 #endif
 592
 593         DEBUG(10,("vfs_fill_sparse: write zeros in file %s from len %.0f to "
 594                   "len %.0f (%.0f bytes)\n", fsp_str_dbg(fsp),
 595                   (double)st.st_ex_size, (double)len,
 596                   (double)(len - st.st_ex_size)));
 597
 598         contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_FILL_SPARSE);
 599
 600         flush_write_cache(fsp, SIZECHANGE_FLUSH);
 601
 602         offset = st.st_ex_size;
 603         num_to_write = len - st.st_ex_size;
 604
 605         /* Only do this on non-stream file handles. */
 606         if (fsp->base_fsp == NULL) {
 607                 /* for allocation try posix_fallocate first. This can fail on some
 608                  * platforms e.g. when the filesystem doesn't support it and no
 609                  * emulation is being done by the libc (like on AIX with JFS1). In that
 610                  * case we do our own emulation. posix_fallocate implementations can
 611                  * return ENOTSUP or EINVAL in cases like that. */
 612                 ret = SMB_VFS_POSIX_FALLOCATE(fsp, offset, num_to_write);
 613                 if (ret == ENOSPC) {
 614                         errno = ENOSPC;
 615                         ret = -1;
 616                         goto out;
 617                 }
 618                 if (ret == 0) {
 619                         set_filelen_write_cache(fsp, len);
 620                         goto out;
 621                 }
 622                 DEBUG(10,("vfs_fill_sparse: SMB_VFS_POSIX_FALLOCATE failed with "
 623                         "error %d. Falling back to slow manual allocation\n", ret));
 624         }
 625
 626         if (!sparse_buf) {
 627                 sparse_buf = SMB_CALLOC_ARRAY(char, SPARSE_BUF_WRITE_SIZE);
 628                 if (!sparse_buf) {
 629                         errno = ENOMEM;
 630                         ret = -1;
 631                         goto out;
 632                 }
 633         }
 634
 635         total = 0;
 636
 637         while (total < num_to_write) {
 638                 size_t curr_write_size = MIN(SPARSE_BUF_WRITE_SIZE, (num_to_write - total));
 639
 640                 pwrite_ret = SMB_VFS_PWRITE(fsp, sparse_buf, curr_write_size, offset + total);
 641                 if (pwrite_ret == -1) {
 642                         DEBUG(10,("vfs_fill_sparse: SMB_VFS_PWRITE for file "
 643                                   "%s failed with error %s\n",
 644                                   fsp_str_dbg(fsp), strerror(errno)));
 645                         ret = -1;
 646                         goto out;
 647                 }
 648                 if (pwrite_ret == 0) {
 649                         ret = 0;
 650                         goto out;
 651                 }
 652
 653                 total += pwrite_ret;
 654         }
 655
 656         set_filelen_write_cache(fsp, len);
 657
 658         ret = 0;
 659  out:
 660         contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_FILL_SPARSE);
 661         return ret;
 662 }
 663
 664 /****************************************************************************
 665  Transfer some data (n bytes) between two file_struct's.
 666 ****************************************************************************/
 667
 668 static ssize_t vfs_read_fn(void *file, void *buf, size_t len)
 669 {
 670         struct files_struct *fsp = (struct files_struct *)file;
 671
 672         return SMB_VFS_READ(fsp, buf, len);
 673 }
 674
 675 static ssize_t vfs_write_fn(void *file, const void *buf, size_t len)
 676 {
 677         struct files_struct *fsp = (struct files_struct *)file;
 678
 679         return SMB_VFS_WRITE(fsp, buf, len);
 680 }
 681
 682 SMB_OFF_T vfs_transfer_file(files_struct *in, files_struct *out, SMB_OFF_T n)
 683 {
 684         return transfer_file_internal((void *)in, (void *)out, n,
 685                                       vfs_read_fn, vfs_write_fn);
 686 }
 687
 688 /*******************************************************************
 689  A vfs_readdir wrapper which just returns the file name.
 690 ********************************************************************/
 691
 692 const char *vfs_readdirname(connection_struct *conn, void *p,
 693                             SMB_STRUCT_STAT *sbuf, char **talloced)
 694 {
 695         SMB_STRUCT_DIRENT *ptr= NULL;
 696         const char *dname;
 697         char *translated;
 698         NTSTATUS status;
 699
 700         if (!p)
 701                 return(NULL);
 702
 703         ptr = SMB_VFS_READDIR(conn, (DIR *)p, sbuf);
 704         if (!ptr)
 705                 return(NULL);
 706
 707         dname = ptr->d_name;
 708
 709
 710 #ifdef NEXT2
 711         if (telldir(p) < 0)
 712                 return(NULL);
 713 #endif
 714
 715 #ifdef HAVE_BROKEN_READDIR_NAME
 716         /* using /usr/ucb/cc is BAD */
 717         dname = dname - 2;
 718 #endif
 719
 720         status = SMB_VFS_TRANSLATE_NAME(conn, dname, vfs_translate_to_windows,
 721                                         talloc_tos(), &translated);
 722         if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
 723                 *talloced = NULL;
 724                 return dname;
 725         }
 726         *talloced = translated;
 727         if (!NT_STATUS_IS_OK(status)) {
 728                 return NULL;
 729         }
 730         return translated;
 731 }
 732
 733 /*******************************************************************
 734  A wrapper for vfs_chdir().
 735 ********************************************************************/
 736
 737 int vfs_ChDir(connection_struct *conn, const char *path)
 738 {
 739         int res;
 740
 741         if (!LastDir) {
 742                 LastDir = SMB_STRDUP("");
 743         }
 744
 745         if (strcsequal(path,"."))
 746                 return(0);
 747
 748         if (*path == '/' && strcsequal(LastDir,path))
 749                 return(0);
 750
 751         DEBUG(4,("vfs_ChDir to %s\n",path));
 752
 753         res = SMB_VFS_CHDIR(conn,path);
 754         if (!res) {
 755                 SAFE_FREE(LastDir);
 756                 LastDir = SMB_STRDUP(path);
 757         }
 758         return(res);
 759 }
 760
 761 /*******************************************************************
 762  Return the absolute current directory path - given a UNIX pathname.
 763  Note that this path is returned in DOS format, not UNIX
 764  format. Note this can be called with conn == NULL.
 765 ********************************************************************/
 766
 767 char *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn)
 768 {
 769         char s[PATH_MAX+1];
 770         char *result = NULL;
 771         DATA_BLOB cache_value;
 772         struct file_id key;
 773         struct smb_filename *smb_fname_dot = NULL;
 774         struct smb_filename *smb_fname_full = NULL;
 775         NTSTATUS status;
 776
 777         *s = 0;
 778
 779         if (!lp_getwd_cache()) {
 780                 goto nocache;
 781         }
 782
 783         status = create_synthetic_smb_fname(ctx, ".", NULL, NULL,
 784                                             &smb_fname_dot);
 785         if (!NT_STATUS_IS_OK(status)) {
 786                 errno = map_errno_from_nt_status(status);
 787                 goto out;
 788         }
 789
 790         if (SMB_VFS_STAT(conn, smb_fname_dot) == -1) {
 791                 /*
 792                  * Known to fail for root: the directory may be NFS-mounted
 793                  * and exported with root_squash (so has no root access).
 794                  */
 795                 DEBUG(1,("vfs_GetWd: couldn't stat \".\" error %s "
 796                          "(NFS problem ?)\n", strerror(errno) ));
 797                 goto nocache;
 798         }
 799
 800         key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
 801
 802         if (!memcache_lookup(smbd_memcache(), GETWD_CACHE,
 803                              data_blob_const(&key, sizeof(key)),
 804                              &cache_value)) {
 805                 goto nocache;
 806         }
 807
 808         SMB_ASSERT((cache_value.length > 0)
 809                    && (cache_value.data[cache_value.length-1] == '\0'));
 810
 811         status = create_synthetic_smb_fname(ctx, (char *)cache_value.data,
 812                                             NULL, NULL, &smb_fname_full);
 813         if (!NT_STATUS_IS_OK(status)) {
 814                 errno = map_errno_from_nt_status(status);
 815                 goto out;
 816         }
 817
 818         if ((SMB_VFS_STAT(conn, smb_fname_full) == 0) &&
 819             (smb_fname_dot->st.st_ex_dev == smb_fname_full->st.st_ex_dev) &&
 820             (smb_fname_dot->st.st_ex_ino == smb_fname_full->st.st_ex_ino) &&
 821             (S_ISDIR(smb_fname_dot->st.st_ex_mode))) {
 822                 /*
 823                  * Ok, we're done
 824                  */
 825                 result = talloc_strdup(ctx, smb_fname_full->base_name);
 826                 if (result == NULL) {
 827                         errno = ENOMEM;
 828                 }
 829                 goto out;
 830         }
 831
 832  nocache:
 833
 834         /*
 835          * We don't have the information to hand so rely on traditional
 836          * methods. The very slow getcwd, which spawns a process on some
 837          * systems, or the not quite so bad getwd.
 838          */
 839
 840         if (!SMB_VFS_GETWD(conn,s)) {
 841                 DEBUG(0, ("vfs_GetWd: SMB_VFS_GETWD call failed: %s\n",
 842                           strerror(errno)));
 843                 goto out;
 844         }
 845
 846         if (lp_getwd_cache() && VALID_STAT(smb_fname_dot->st)) {
 847                 key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
 848
 849                 memcache_add(smbd_memcache(), GETWD_CACHE,
 850                              data_blob_const(&key, sizeof(key)),
 851                              data_blob_const(s, strlen(s)+1));
 852         }
 853
 854         result = talloc_strdup(ctx, s);
 855         if (result == NULL) {
 856                 errno = ENOMEM;
 857         }
 858
 859  out:
 860         TALLOC_FREE(smb_fname_dot);
 861         TALLOC_FREE(smb_fname_full);
 862         return result;
 863 }
 864
 865 /*******************************************************************
 866  Reduce a file name, removing .. elements and checking that
 867  it is below dir in the heirachy. This uses realpath.
 868 ********************************************************************/
 869
 870 NTSTATUS check_reduced_name(connection_struct *conn, const char *fname)
 871 {
 872         char *resolved_name = NULL;
 873         char *p = NULL;
 874
 875         DEBUG(3,("check_reduced_name [%s] [%s]\n", fname, conn->connectpath));
 876
 877         resolved_name = SMB_VFS_REALPATH(conn,fname);
 878
 879         if (!resolved_name) {
 880                 switch (errno) {
 881                         case ENOTDIR:
 882                                 DEBUG(3,("check_reduced_name: Component not a "
 883                                          "directory in getting realpath for "
 884                                          "%s\n", fname));
 885                                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
 886                         case ENOENT:
 887                         {
 888                                 TALLOC_CTX *ctx = talloc_tos();
 889                                 char *tmp_fname = NULL;
 890                                 char *last_component = NULL;
 891                                 /* Last component didn't exist. Remove it and try and canonicalise the directory. */
 892
 893                                 tmp_fname = talloc_strdup(ctx, fname);
 894                                 if (!tmp_fname) {
 895                                         return NT_STATUS_NO_MEMORY;
 896                                 }
 897                                 p = strrchr_m(tmp_fname, '/');
 898                                 if (p) {
 899                                         *p++ = '\0';
 900                                         last_component = p;
 901                                 } else {
 902                                         last_component = tmp_fname;
 903                                         tmp_fname = talloc_strdup(ctx,
 904                                                         ".");
 905                                         if (!tmp_fname) {
 906                                                 return NT_STATUS_NO_MEMORY;
 907                                         }
 908                                 }
 909
 910                                 resolved_name = SMB_VFS_REALPATH(conn,tmp_fname);
 911                                 if (!resolved_name) {
 912                                         NTSTATUS status = map_nt_error_from_unix(errno);
 913
 914                                         if (errno == ENOENT || errno == ENOTDIR) {
 915                                                 status = NT_STATUS_OBJECT_PATH_NOT_FOUND;
 916                                         }
 917
 918                                         DEBUG(3,("check_reduce_named: "
 919                                                  "couldn't get realpath for "
 920                                                  "%s (%s)\n",
 921                                                 fname,
 922                                                 nt_errstr(status)));
 923                                         return status;
 924                                 }
 925                                 tmp_fname = talloc_asprintf(ctx,
 926                                                 "%s/%s",
 927                                                 resolved_name,
 928                                                 last_component);
 929                                 if (!tmp_fname) {
 930                                         return NT_STATUS_NO_MEMORY;
 931                                 }
 932                                 SAFE_FREE(resolved_name);
 933                                 resolved_name = SMB_STRDUP(tmp_fname);
 934                                 if (!resolved_name) {
 935                                         DEBUG(0, ("check_reduced_name: malloc "
 936                                                   "fail for %s\n", tmp_fname));
 937                                         return NT_STATUS_NO_MEMORY;
 938                                 }
 939                                 break;
 940                         }
 941                         default:
 942                                 DEBUG(3,("check_reduced_name: couldn't get "
 943                                          "realpath for %s\n", fname));
 944                                 return map_nt_error_from_unix(errno);
 945                 }
 946         }
 947
 948         DEBUG(10,("check_reduced_name realpath [%s] -> [%s]\n", fname,
 949                   resolved_name));
 950
 951         if (*resolved_name != '/') {
 952                 DEBUG(0,("check_reduced_name: realpath doesn't return "
 953                          "absolute paths !\n"));
 954                 SAFE_FREE(resolved_name);
 955                 return NT_STATUS_OBJECT_NAME_INVALID;
 956         }
 957
 958         /* Check for widelinks allowed. */
 959         if (!lp_widelinks(SNUM(conn))) {
 960                     const char *conn_rootdir;
 961
 962                     conn_rootdir = SMB_VFS_CONNECTPATH(conn, fname);
 963                     if (conn_rootdir == NULL) {
 964                             DEBUG(2, ("check_reduced_name: Could not get "
 965                                       "conn_rootdir\n"));
 966                             SAFE_FREE(resolved_name);
 967                             return NT_STATUS_ACCESS_DENIED;
 968                     }
 969
 970                     if (strncmp(conn_rootdir, resolved_name,
 971                                 strlen(conn_rootdir)) != 0) {
 972                             DEBUG(2, ("check_reduced_name: Bad access "
 973                                       "attempt: %s is a symlink outside the "
 974                                       "share path\n", fname));
 975                             SAFE_FREE(resolved_name);
 976                             return NT_STATUS_ACCESS_DENIED;
 977                     }
 978         }
 979
 980         /* Check if we are allowing users to follow symlinks */
 981         /* Patch from David Clerc <David.Clerc@cui.unige.ch>
 982                 University of Geneva */
 983
 984 #ifdef S_ISLNK
 985         if (!lp_symlinks(SNUM(conn))) {
 986                 struct smb_filename *smb_fname = NULL;
 987                 NTSTATUS status;
 988
 989                 status = create_synthetic_smb_fname(talloc_tos(), fname, NULL,
 990                                                     NULL, &smb_fname);
 991                 if (!NT_STATUS_IS_OK(status)) {
 992                         SAFE_FREE(resolved_name);
 993                         return status;
 994                 }
 995
 996                 if ( (SMB_VFS_LSTAT(conn, smb_fname) != -1) &&
 997                                 (S_ISLNK(smb_fname->st.st_ex_mode)) ) {
 998                         SAFE_FREE(resolved_name);
 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         SAFE_FREE(resolved_name);
1011         return NT_STATUS_OK;
1012 }
1013
1014 /**
1015  * XXX: This is temporary and there should be no callers of this once
1016  * smb_filename is plumbed through all path based operations.
1017  */
1018 int vfs_stat_smb_fname(struct connection_struct *conn, const char *fname,
1019                        SMB_STRUCT_STAT *psbuf)
1020 {
1021         struct smb_filename *smb_fname = NULL;
1022         NTSTATUS status;
1023         int ret;
1024
1025         status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL,
1026                                                   &smb_fname);
1027         if (!NT_STATUS_IS_OK(status)) {
1028                 errno = map_errno_from_nt_status(status);
1029                 return -1;
1030         }
1031
1032         if (lp_posix_pathnames()) {
1033                 ret = SMB_VFS_LSTAT(conn, smb_fname);
1034         } else {
1035                 ret = SMB_VFS_STAT(conn, smb_fname);
1036         }
1037
1038         if (ret != -1) {
1039                 *psbuf = smb_fname->st;
1040         }
1041
1042         TALLOC_FREE(smb_fname);
1043         return ret;
1044 }
1045
1046 /**
1047  * XXX: This is temporary and there should be no callers of this once
1048  * smb_filename is plumbed through all path based operations.
1049  */
1050 int vfs_lstat_smb_fname(struct connection_struct *conn, const char *fname,
1051                         SMB_STRUCT_STAT *psbuf)
1052 {
1053         struct smb_filename *smb_fname = NULL;
1054         NTSTATUS status;
1055         int ret;
1056
1057         status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL,
1058                                                   &smb_fname);
1059         if (!NT_STATUS_IS_OK(status)) {
1060                 errno = map_errno_from_nt_status(status);
1061                 return -1;
1062         }
1063
1064         ret = SMB_VFS_LSTAT(conn, smb_fname);
1065         if (ret != -1) {
1066                 *psbuf = smb_fname->st;
1067         }
1068
1069         TALLOC_FREE(smb_fname);
1070         return ret;
1071 }
1072
1073 /**
1074  * Ensure LSTAT is called for POSIX paths.
1075  */
1076
1077 NTSTATUS vfs_stat_fsp(files_struct *fsp)
1078 {
1079         int ret;
1080
1081         if(fsp->is_directory || fsp->fh->fd == -1) {
1082                 if (fsp->posix_open) {
1083                         ret = SMB_VFS_LSTAT(fsp->conn, fsp->fsp_name);
1084                 } else {
1085                         ret = SMB_VFS_STAT(fsp->conn, fsp->fsp_name);
1086                 }
1087                 if (ret == -1) {
1088                         return map_nt_error_from_unix(errno);
1089                 }
1090         } else {
1091                 if(SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) != 0) {
1092                         return map_nt_error_from_unix(errno);
1093                 }
1094         }
1095         return NT_STATUS_OK;
1096 }
1097
1098 /*
1099   generate a file_id from a stat structure
1100  */
1101 struct file_id vfs_file_id_from_sbuf(connection_struct *conn, const SMB_STRUCT_STAT *sbuf)
1102 {
1103         return SMB_VFS_FILE_ID_CREATE(conn, sbuf);
1104 }
1105
1106 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
1107                          const char *service, const char *user)
1108 {
1109         VFS_FIND(connect_fn);
1110         return handle->fns->connect_fn(handle, service, user);
1111 }
1112
1113 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle)
1114 {
1115         VFS_FIND(disconnect);
1116         handle->fns->disconnect(handle);
1117 }
1118
1119 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
1120                                 const char *path, bool small_query,
1121                                 uint64_t *bsize, uint64_t *dfree,
1122                                 uint64_t *dsize)
1123 {
1124         VFS_FIND(disk_free);
1125         return handle->fns->disk_free(handle, path, small_query, bsize, dfree,
1126                                       dsize);
1127 }
1128
1129 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
1130                            enum SMB_QUOTA_TYPE qtype, unid_t id,
1131                            SMB_DISK_QUOTA *qt)
1132 {
1133         VFS_FIND(get_quota);
1134         return handle->fns->get_quota(handle, qtype, id, qt);
1135 }
1136
1137 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
1138                            enum SMB_QUOTA_TYPE qtype, unid_t id,
1139                            SMB_DISK_QUOTA *qt)
1140 {
1141         VFS_FIND(set_quota);
1142         return handle->fns->set_quota(handle, qtype, id, qt);
1143 }
1144
1145 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
1146                                       struct files_struct *fsp,
1147                                       SHADOW_COPY_DATA *shadow_copy_data,
1148                                       bool labels)
1149 {
1150         VFS_FIND(get_shadow_copy_data);
1151         return handle->fns->get_shadow_copy_data(handle, fsp, shadow_copy_data,
1152                                                  labels);
1153 }
1154 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
1155                          struct vfs_statvfs_struct *statbuf)
1156 {
1157         VFS_FIND(statvfs);
1158         return handle->fns->statvfs(handle, path, statbuf);
1159 }
1160
1161 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
1162                         enum timestamp_set_resolution *p_ts_res)
1163 {
1164         VFS_FIND(fs_capabilities);
1165         return handle->fns->fs_capabilities(handle, p_ts_res);
1166 }
1167
1168 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
1169                                      const char *fname, const char *mask,
1170                                      uint32 attributes)
1171 {
1172         VFS_FIND(opendir);
1173         return handle->fns->opendir(handle, fname, mask, attributes);
1174 }
1175
1176 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1177                                               SMB_STRUCT_DIR *dirp,
1178                                               SMB_STRUCT_STAT *sbuf)
1179 {
1180         VFS_FIND(readdir);
1181         return handle->fns->readdir(handle, dirp, sbuf);
1182 }
1183
1184 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
1185                           SMB_STRUCT_DIR *dirp, long offset)
1186 {
1187         VFS_FIND(seekdir);
1188         handle->fns->seekdir(handle, dirp, offset);
1189 }
1190
1191 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
1192                           SMB_STRUCT_DIR *dirp)
1193 {
1194         VFS_FIND(telldir);
1195         return handle->fns->telldir(handle, dirp);
1196 }
1197
1198 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1199                              SMB_STRUCT_DIR *dirp)
1200 {
1201         VFS_FIND(rewind_dir);
1202         handle->fns->rewind_dir(handle, dirp);
1203 }
1204
1205 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
1206                        mode_t mode)
1207 {
1208         VFS_FIND(mkdir);
1209         return handle->fns->mkdir(handle, path, mode);
1210 }
1211
1212 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path)
1213 {
1214         VFS_FIND(rmdir);
1215         return handle->fns->rmdir(handle, path);
1216 }
1217
1218 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1219                           SMB_STRUCT_DIR *dir)
1220 {
1221         VFS_FIND(closedir);
1222         return handle->fns->closedir(handle, dir);
1223 }
1224
1225 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
1226                                  SMB_STRUCT_DIR *dirp)
1227 {
1228         VFS_FIND(init_search_op);
1229         handle->fns->init_search_op(handle, dirp);
1230 }
1231
1232 int smb_vfs_call_open(struct vfs_handle_struct *handle,
1233                       struct smb_filename *smb_fname, struct files_struct *fsp,
1234                       int flags, mode_t mode)
1235 {
1236         VFS_FIND(open);
1237         return handle->fns->open(handle, smb_fname, fsp, flags, mode);
1238 }
1239
1240 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1241                                   struct smb_request *req,
1242                                   uint16_t root_dir_fid,
1243                                   struct smb_filename *smb_fname,
1244                                   uint32_t access_mask,
1245                                   uint32_t share_access,
1246                                   uint32_t create_disposition,
1247                                   uint32_t create_options,
1248                                   uint32_t file_attributes,
1249                                   uint32_t oplock_request,
1250                                   uint64_t allocation_size,
1251                                   uint32_t private_flags,
1252                                   struct security_descriptor *sd,
1253                                   struct ea_list *ea_list,
1254                                   files_struct **result,
1255                                   int *pinfo)
1256 {
1257         VFS_FIND(create_file);
1258         return handle->fns->create_file(
1259                 handle, req, root_dir_fid, smb_fname, access_mask,
1260                 share_access, create_disposition, create_options,
1261                 file_attributes, oplock_request, allocation_size,
1262                 private_flags, sd, ea_list,
1263                 result, pinfo);
1264 }
1265
1266 int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
1267                           struct files_struct *fsp)
1268 {
1269         VFS_FIND(close_fn);
1270         return handle->fns->close_fn(handle, fsp);
1271 }
1272
1273 ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
1274                               struct files_struct *fsp, void *data, size_t n)
1275 {
1276         VFS_FIND(vfs_read);
1277         return handle->fns->vfs_read(handle, fsp, data, n);
1278 }
1279
1280 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1281                            struct files_struct *fsp, void *data, size_t n,
1282                            SMB_OFF_T offset)
1283 {
1284         VFS_FIND(pread);
1285         return handle->fns->pread(handle, fsp, data, n, offset);
1286 }
1287
1288 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1289                            struct files_struct *fsp, const void *data,
1290                            size_t n)
1291 {
1292         VFS_FIND(write);
1293         return handle->fns->write(handle, fsp, data, n);
1294 }
1295
1296 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1297                             struct files_struct *fsp, const void *data,
1298                             size_t n, SMB_OFF_T offset)
1299 {
1300         VFS_FIND(pwrite);
1301         return handle->fns->pwrite(handle, fsp, data, n, offset);
1302 }
1303
1304 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1305                              struct files_struct *fsp, SMB_OFF_T offset,
1306                              int whence)
1307 {
1308         VFS_FIND(lseek);
1309         return handle->fns->lseek(handle, fsp, offset, whence);
1310 }
1311
1312 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1313                               files_struct *fromfsp, const DATA_BLOB *header,
1314                               SMB_OFF_T offset, size_t count)
1315 {
1316         VFS_FIND(sendfile);
1317         return handle->fns->sendfile(handle, tofd, fromfsp, header, offset,
1318                                      count);
1319 }
1320
1321 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1322                               files_struct *tofsp, SMB_OFF_T offset,
1323                               size_t count)
1324 {
1325         VFS_FIND(recvfile);
1326         return handle->fns->recvfile(handle, fromfd, tofsp, offset, count);
1327 }
1328
1329 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1330                         const struct smb_filename *smb_fname_src,
1331                         const struct smb_filename *smb_fname_dst)
1332 {
1333         VFS_FIND(rename);
1334         return handle->fns->rename(handle, smb_fname_src, smb_fname_dst);
1335 }
1336
1337 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1338                        struct files_struct *fsp)
1339 {
1340         VFS_FIND(fsync);
1341         return handle->fns->fsync(handle, fsp);
1342 }
1343
1344 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1345                       struct smb_filename *smb_fname)
1346 {
1347         VFS_FIND(stat);
1348         return handle->fns->stat(handle, smb_fname);
1349 }
1350
1351 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1352                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1353 {
1354         VFS_FIND(fstat);
1355         return handle->fns->fstat(handle, fsp, sbuf);
1356 }
1357
1358 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1359                        struct smb_filename *smb_filename)
1360 {
1361         VFS_FIND(lstat);
1362         return handle->fns->lstat(handle, smb_filename);
1363 }
1364
1365 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1366                                      struct files_struct *fsp,
1367                                      const SMB_STRUCT_STAT *sbuf)
1368 {
1369         VFS_FIND(get_alloc_size);
1370         return handle->fns->get_alloc_size(handle, fsp, sbuf);
1371 }
1372
1373 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1374                         const struct smb_filename *smb_fname)
1375 {
1376         VFS_FIND(unlink);
1377         return handle->fns->unlink(handle, smb_fname);
1378 }
1379
1380 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1381                        mode_t mode)
1382 {
1383         VFS_FIND(chmod);
1384         return handle->fns->chmod(handle, path, mode);
1385 }
1386
1387 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1388                         struct files_struct *fsp, mode_t mode)
1389 {
1390         VFS_FIND(fchmod);
1391         return handle->fns->fchmod(handle, fsp, mode);
1392 }
1393
1394 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1395                        uid_t uid, gid_t gid)
1396 {
1397         VFS_FIND(chown);
1398         return handle->fns->chown(handle, path, uid, gid);
1399 }
1400
1401 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1402                         struct files_struct *fsp, uid_t uid, gid_t gid)
1403 {
1404         VFS_FIND(fchown);
1405         return handle->fns->fchown(handle, fsp, uid, gid);
1406 }
1407
1408 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1409                         uid_t uid, gid_t gid)
1410 {
1411         VFS_FIND(lchown);
1412         return handle->fns->lchown(handle, path, uid, gid);
1413 }
1414
1415 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path)
1416 {
1417         VFS_FIND(chdir);
1418         return handle->fns->chdir(handle, path);
1419 }
1420
1421 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf)
1422 {
1423         VFS_FIND(getwd);
1424         return handle->fns->getwd(handle, buf);
1425 }
1426
1427 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1428                         const struct smb_filename *smb_fname,
1429                         struct smb_file_time *ft)
1430 {
1431         VFS_FIND(ntimes);
1432         return handle->fns->ntimes(handle, smb_fname, ft);
1433 }
1434
1435 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1436                            struct files_struct *fsp, SMB_OFF_T offset)
1437 {
1438         VFS_FIND(ftruncate);
1439         return handle->fns->ftruncate(handle, fsp, offset);
1440 }
1441
1442 int smb_vfs_call_posix_fallocate(struct vfs_handle_struct *handle,
1443                                 struct files_struct *fsp,
1444                                 SMB_OFF_T offset,
1445                                 SMB_OFF_T len)
1446 {
1447         VFS_FIND(posix_fallocate);
1448         return handle->fns->posix_fallocate(handle, fsp, offset, len);
1449 }
1450
1451 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1452                               struct files_struct *fsp, uint32 share_mode,
1453                               uint32_t access_mask)
1454 {
1455         VFS_FIND(kernel_flock);
1456         return handle->fns->kernel_flock(handle, fsp, share_mode,
1457                                          access_mask);
1458 }
1459
1460 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1461                                 struct files_struct *fsp, int leasetype)
1462 {
1463         VFS_FIND(linux_setlease);
1464         return handle->fns->linux_setlease(handle, fsp, leasetype);
1465 }
1466
1467 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1468                          const char *newpath)
1469 {
1470         VFS_FIND(symlink);
1471         return handle->fns->symlink(handle, oldpath, newpath);
1472 }
1473
1474 int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
1475                               const char *path, char *buf, size_t bufsiz)
1476 {
1477         VFS_FIND(vfs_readlink);
1478         return handle->fns->vfs_readlink(handle, path, buf, bufsiz);
1479 }
1480
1481 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1482                       const char *newpath)
1483 {
1484         VFS_FIND(link);
1485         return handle->fns->link(handle, oldpath, newpath);
1486 }
1487
1488 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1489                        mode_t mode, SMB_DEV_T dev)
1490 {
1491         VFS_FIND(mknod);
1492         return handle->fns->mknod(handle, path, mode, dev);
1493 }
1494
1495 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path)
1496 {
1497         VFS_FIND(realpath);
1498         return handle->fns->realpath(handle, path);
1499 }
1500
1501 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
1502                                    struct sys_notify_context *ctx,
1503                                    struct notify_entry *e,
1504                                    void (*callback)(struct sys_notify_context *ctx,
1505                                                     void *private_data,
1506                                                     struct notify_event *ev),
1507                                    void *private_data, void *handle_p)
1508 {
1509         VFS_FIND(notify_watch);
1510         return handle->fns->notify_watch(handle, ctx, e, callback,
1511                                          private_data, handle_p);
1512 }
1513
1514 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1515                          unsigned int flags)
1516 {
1517         VFS_FIND(chflags);
1518         return handle->fns->chflags(handle, path, flags);
1519 }
1520
1521 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1522                                            const SMB_STRUCT_STAT *sbuf)
1523 {
1524         VFS_FIND(file_id_create);
1525         return handle->fns->file_id_create(handle, sbuf);
1526 }
1527
1528 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1529                                  struct files_struct *fsp,
1530                                  const char *fname,
1531                                  TALLOC_CTX *mem_ctx,
1532                                  unsigned int *num_streams,
1533                                  struct stream_struct **streams)
1534 {
1535         VFS_FIND(streaminfo);
1536         return handle->fns->streaminfo(handle, fsp, fname, mem_ctx,
1537                                        num_streams, streams);
1538 }
1539
1540 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1541                                    const char *path, const char *name,
1542                                    TALLOC_CTX *mem_ctx, char **found_name)
1543 {
1544         VFS_FIND(get_real_filename);
1545         return handle->fns->get_real_filename(handle, path, name, mem_ctx,
1546                                               found_name);
1547 }
1548
1549 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1550                                      const char *filename)
1551 {
1552         VFS_FIND(connectpath);
1553         return handle->fns->connectpath(handle, filename);
1554 }
1555
1556 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1557                               struct files_struct *fsp,
1558                               struct lock_struct *plock)
1559 {
1560         VFS_FIND(strict_lock);
1561         return handle->fns->strict_lock(handle, fsp, plock);
1562 }
1563
1564 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1565                                 struct files_struct *fsp,
1566                                 struct lock_struct *plock)
1567 {
1568         VFS_FIND(strict_unlock);
1569         handle->fns->strict_unlock(handle, fsp, plock);
1570 }
1571
1572 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1573                                      const char *name,
1574                                      enum vfs_translate_direction direction,
1575                                      TALLOC_CTX *mem_ctx,
1576                                      char **mapped_name)
1577 {
1578         VFS_FIND(translate_name);
1579         return handle->fns->translate_name(handle, name, direction, mem_ctx,
1580                                            mapped_name);
1581 }
1582
1583 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1584                                   struct files_struct *fsp,
1585                                   uint32 security_info,
1586                                   struct security_descriptor **ppdesc)
1587 {
1588         VFS_FIND(fget_nt_acl);
1589         return handle->fns->fget_nt_acl(handle, fsp, security_info,
1590                                         ppdesc);
1591 }
1592
1593 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1594                                  const char *name,
1595                                  uint32 security_info,
1596                                  struct security_descriptor **ppdesc)
1597 {
1598         VFS_FIND(get_nt_acl);
1599         return handle->fns->get_nt_acl(handle, name, security_info, ppdesc);
1600 }
1601
1602 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1603                                   struct files_struct *fsp,
1604                                   uint32 security_info_sent,
1605                                   const struct security_descriptor *psd)
1606 {
1607         VFS_FIND(fset_nt_acl);
1608         return handle->fns->fset_nt_acl(handle, fsp, security_info_sent, psd);
1609 }
1610
1611 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1612                            mode_t mode)
1613 {
1614         VFS_FIND(chmod_acl);
1615         return handle->fns->chmod_acl(handle, name, mode);
1616 }
1617
1618 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1619                             struct files_struct *fsp, mode_t mode)
1620 {
1621         VFS_FIND(fchmod_acl);
1622         return handle->fns->fchmod_acl(handle, fsp, mode);
1623 }
1624
1625 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
1626                                    SMB_ACL_T theacl, int entry_id,
1627                                    SMB_ACL_ENTRY_T *entry_p)
1628 {
1629         VFS_FIND(sys_acl_get_entry);
1630         return handle->fns->sys_acl_get_entry(handle, theacl, entry_id,
1631                                               entry_p);
1632 }
1633
1634 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
1635                                       SMB_ACL_ENTRY_T entry_d,
1636                                       SMB_ACL_TAG_T *tag_type_p)
1637 {
1638         VFS_FIND(sys_acl_get_tag_type);
1639         return handle->fns->sys_acl_get_tag_type(handle, entry_d, tag_type_p);
1640 }
1641
1642 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
1643                                      SMB_ACL_ENTRY_T entry_d,
1644                                      SMB_ACL_PERMSET_T *permset_p)
1645 {
1646         VFS_FIND(sys_acl_get_permset);
1647         return handle->fns->sys_acl_get_permset(handle, entry_d, permset_p);
1648 }
1649
1650 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
1651                                           SMB_ACL_ENTRY_T entry_d)
1652 {
1653         VFS_FIND(sys_acl_get_qualifier);
1654         return handle->fns->sys_acl_get_qualifier(handle, entry_d);
1655 }
1656
1657 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1658                                         const char *path_p,
1659                                         SMB_ACL_TYPE_T type)
1660 {
1661         VFS_FIND(sys_acl_get_file);
1662         return handle->fns->sys_acl_get_file(handle, path_p, type);
1663 }
1664
1665 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1666                                       struct files_struct *fsp)
1667 {
1668         VFS_FIND(sys_acl_get_fd);
1669         return handle->fns->sys_acl_get_fd(handle, fsp);
1670 }
1671
1672 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
1673                                      SMB_ACL_PERMSET_T permset)
1674 {
1675         VFS_FIND(sys_acl_clear_perms);
1676         return handle->fns->sys_acl_clear_perms(handle, permset);
1677 }
1678
1679 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
1680                                   SMB_ACL_PERMSET_T permset,
1681                                   SMB_ACL_PERM_T perm)
1682 {
1683         VFS_FIND(sys_acl_add_perm);
1684         return handle->fns->sys_acl_add_perm(handle, permset, perm);
1685 }
1686
1687 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
1688                                     SMB_ACL_T theacl, ssize_t *plen)
1689 {
1690         VFS_FIND(sys_acl_to_text);
1691         return handle->fns->sys_acl_to_text(handle, theacl, plen);
1692 }
1693
1694 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
1695                                     int count)
1696 {
1697         VFS_FIND(sys_acl_init);
1698         return handle->fns->sys_acl_init(handle, count);
1699 }
1700
1701 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
1702                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
1703 {
1704         VFS_FIND(sys_acl_create_entry);
1705         return handle->fns->sys_acl_create_entry(handle, pacl, pentry);
1706 }
1707
1708 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
1709                                       SMB_ACL_ENTRY_T entry,
1710                                       SMB_ACL_TAG_T tagtype)
1711 {
1712         VFS_FIND(sys_acl_set_tag_type);
1713         return handle->fns->sys_acl_set_tag_type(handle, entry, tagtype);
1714 }
1715
1716 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
1717                                        SMB_ACL_ENTRY_T entry, void *qual)
1718 {
1719         VFS_FIND(sys_acl_set_qualifier);
1720         return handle->fns->sys_acl_set_qualifier(handle, entry, qual);
1721 }
1722
1723 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
1724                                      SMB_ACL_ENTRY_T entry,
1725                                      SMB_ACL_PERMSET_T permset)
1726 {
1727         VFS_FIND(sys_acl_set_permset);
1728         return handle->fns->sys_acl_set_permset(handle, entry, permset);
1729 }
1730
1731 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
1732                                SMB_ACL_T theacl)
1733 {
1734         VFS_FIND(sys_acl_valid);
1735         return handle->fns->sys_acl_valid(handle, theacl);
1736 }
1737
1738 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1739                                   const char *name, SMB_ACL_TYPE_T acltype,
1740                                   SMB_ACL_T theacl)
1741 {
1742         VFS_FIND(sys_acl_set_file);
1743         return handle->fns->sys_acl_set_file(handle, name, acltype, theacl);
1744 }
1745
1746 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1747                                 struct files_struct *fsp, SMB_ACL_T theacl)
1748 {
1749         VFS_FIND(sys_acl_set_fd);
1750         return handle->fns->sys_acl_set_fd(handle, fsp, theacl);
1751 }
1752
1753 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1754                                          const char *path)
1755 {
1756         VFS_FIND(sys_acl_delete_def_file);
1757         return handle->fns->sys_acl_delete_def_file(handle, path);
1758 }
1759
1760 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
1761                                   SMB_ACL_PERMSET_T permset,
1762                                   SMB_ACL_PERM_T perm)
1763 {
1764         VFS_FIND(sys_acl_get_perm);
1765         return handle->fns->sys_acl_get_perm(handle, permset, perm);
1766 }
1767
1768 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
1769                                    char *text)
1770 {
1771         VFS_FIND(sys_acl_free_text);
1772         return handle->fns->sys_acl_free_text(handle, text);
1773 }
1774
1775 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
1776                                   SMB_ACL_T posix_acl)
1777 {
1778         VFS_FIND(sys_acl_free_acl);
1779         return handle->fns->sys_acl_free_acl(handle, posix_acl);
1780 }
1781
1782 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
1783                                         void *qualifier, SMB_ACL_TAG_T tagtype)
1784 {
1785         VFS_FIND(sys_acl_free_qualifier);
1786         return handle->fns->sys_acl_free_qualifier(handle, qualifier, tagtype);
1787 }
1788
1789 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1790                               const char *path, const char *name, void *value,
1791                               size_t size)
1792 {
1793         VFS_FIND(getxattr);
1794         return handle->fns->getxattr(handle, path, name, value, size);
1795 }
1796
1797 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
1798                                const char *path, const char *name, void *value,
1799                                size_t size)
1800 {
1801         VFS_FIND(lgetxattr);
1802         return handle->fns->lgetxattr(handle, path, name, value, size);
1803 }
1804
1805 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1806                                struct files_struct *fsp, const char *name,
1807                                void *value, size_t size)
1808 {
1809         VFS_FIND(fgetxattr);
1810         return handle->fns->fgetxattr(handle, fsp, name, value, size);
1811 }
1812
1813 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1814                                const char *path, char *list, size_t size)
1815 {
1816         VFS_FIND(listxattr);
1817         return handle->fns->listxattr(handle, path, list, size);
1818 }
1819
1820 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1821                                 const char *path, char *list, size_t size)
1822 {
1823         VFS_FIND(llistxattr);
1824         return handle->fns->llistxattr(handle, path, list, size);
1825 }
1826
1827 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1828                                 struct files_struct *fsp, char *list,
1829                                 size_t size)
1830 {
1831         VFS_FIND(flistxattr);
1832         return handle->fns->flistxattr(handle, fsp, list, size);
1833 }
1834
1835 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1836                              const char *path, const char *name)
1837 {
1838         VFS_FIND(removexattr);
1839         return handle->fns->removexattr(handle, path, name);
1840 }
1841
1842 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
1843                               const char *path, const char *name)
1844 {
1845         VFS_FIND(lremovexattr);
1846         return handle->fns->lremovexattr(handle, path, name);
1847 }
1848
1849 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1850                               struct files_struct *fsp, const char *name)
1851 {
1852         VFS_FIND(fremovexattr);
1853         return handle->fns->fremovexattr(handle, fsp, name);
1854 }
1855
1856 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
1857                           const char *name, const void *value, size_t size,
1858                           int flags)
1859 {
1860         VFS_FIND(setxattr);
1861         return handle->fns->setxattr(handle, path, name, value, size, flags);
1862 }
1863
1864 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1865                            const char *name, const void *value, size_t size,
1866                            int flags)
1867 {
1868         VFS_FIND(lsetxattr);
1869         return handle->fns->lsetxattr(handle, path, name, value, size, flags);
1870 }
1871
1872 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1873                            struct files_struct *fsp, const char *name,
1874                            const void *value, size_t size, int flags)
1875 {
1876         VFS_FIND(fsetxattr);
1877         return handle->fns->fsetxattr(handle, fsp, name, value, size, flags);
1878 }
1879
1880 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
1881                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1882 {
1883         VFS_FIND(aio_read);
1884         return handle->fns->aio_read(handle, fsp, aiocb);
1885 }
1886
1887 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
1888                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1889 {
1890         VFS_FIND(aio_write);
1891         return handle->fns->aio_write(handle, fsp, aiocb);
1892 }
1893
1894 ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
1895                                    struct files_struct *fsp,
1896                                    SMB_STRUCT_AIOCB *aiocb)
1897 {
1898         VFS_FIND(aio_return_fn);
1899         return handle->fns->aio_return_fn(handle, fsp, aiocb);
1900 }
1901
1902 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
1903                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1904 {
1905         VFS_FIND(aio_cancel);
1906         return handle->fns->aio_cancel(handle, fsp, aiocb);
1907 }
1908
1909 int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
1910                               struct files_struct *fsp,
1911                               SMB_STRUCT_AIOCB *aiocb)
1912 {
1913         VFS_FIND(aio_error_fn);
1914         return handle->fns->aio_error_fn(handle, fsp, aiocb);
1915 }
1916
1917 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
1918                            struct files_struct *fsp, int op,
1919                            SMB_STRUCT_AIOCB *aiocb)
1920 {
1921         VFS_FIND(aio_fsync);
1922         return handle->fns->aio_fsync(handle, fsp, op, aiocb);
1923 }
1924
1925 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
1926                              struct files_struct *fsp,
1927                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
1928                              const struct timespec *timeout)
1929 {
1930         VFS_FIND(aio_suspend);
1931         return handle->fns->aio_suspend(handle, fsp, aiocb, n, timeout);
1932 }
1933
1934 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1935                             struct files_struct *fsp)
1936 {
1937         VFS_FIND(aio_force);
1938         return handle->fns->aio_force(handle, fsp);
1939 }
1940
1941 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1942                              const char *path, SMB_STRUCT_STAT *sbuf)
1943 {
1944         VFS_FIND(is_offline);
1945         return handle->fns->is_offline(handle, path, sbuf);
1946 }
1947
1948 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1949                              const char *path)
1950 {
1951         VFS_FIND(set_offline);
1952         return handle->fns->set_offline(handle, path);
1953 }